Man accused of tampering with Jax Gratton’s body pleads not guilty

Denver7 · Jun 05, 2026 · 818 words · By Óscar Contreras

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What to know about Man accused of tampering with Jax Gratton’s body pleads not guilty

— A man accused of tampering with the body of Jax Gratton, a Denver hairstylist who was found dead two months after she was reported missing in April of last year, pleaded not guilty in Jefferson County court Friday.

Claims checked 17

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

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Center100%

Right0%

7 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Why it matters

Brandon David Mumma, 44, was charged with one count of tampering with a deceased human body and one count of tampering with evidence following a March 11 indictment.

Common ground

Prosecutors believe Mumma was the last person who was with Gratton before her death.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Follow-up questions

What concrete event or decision sits underneath the headline: Man accused of tampering with Jax Gratton’s body pleads not guilty?
What evidence would most clearly confirm or weaken the claim that Gratton and Mumma entered his office at 9655 W. Colfax Avenue at 10:41 p.m. on April 15, 2025?
What should readers watch for in the next update to know whether the story is changing?

open_in_new Read the original article: https://www.denver7.com/news/crime/man-accused-of-tampering-with-jax-grattons-bo…

fact_checkClaims Checked

eFinder analyzed this article and checked 17 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 7

info Single Source 5

help Insufficient Evidence 2

check_circle Corroborated 2

report Misleading 1

info

Claim 1: “Gratton and Mumma entered his office at 9655 W. Colfax Avenue at 10:41 p.m. on April 15, 2025”

SINGLE SOURCE

One source explicitly mentions the specific time (10:41 p.m.) and address (9655 W. Colfax Avenue) for when Gratton and Mumma entered the office.

travel_explore

web search NEUTRAL — Jax Gratton was missing for nearly two months. According to information from the indictment, Gratton and Mumma entered an office space at 9655 W. Colfax Avenue at 10:41 p.m. on April 15, 2025.
https://www.denver7.com/news/crime/jury-returns-indictment-a…

travel_explore

web search NEUTRAL — On June 6, 2025, Gratton’s body was located between the buildings of 9655 and 9699 West Colfax Avenue. The reporting party accessed this area using a door into the area from 9699 W. Colfax Avenue, whi…
https://firstda.co/news-update/grand-jury-returns-a-two-coun…

travel_explore

web search NEUTRAL — Brandon Mumma and Jax GrattonJefferson County Jail; Jax Gratton/Instagram.Mumma is being held on a $100,000 cash bond, and he is scheduled to appear in court on Tuesday, March 17. It is not currently …
https://www.usmagazine.com/crime-news/news/man-indicted-in-c…

info

Claim 2: “Mumma then pleaded not guilty”

SINGLE SOURCE

One news source explicitly states that Mumma pleaded not guilty in Jefferson County court on Friday.

travel_explore

web search NEUTRAL — JEFFERSON COUNTY, Colo. — A man accused of tampering with the body of Jax Gratton, a Denver hairstylist who was found dead two months after she was reported missing in April of last year, pleaded not …
https://www.denver7.com/news/crime/man-accused-of-tampering-…

travel_explore

web search NEUTRAL — Exterior of Jefferson County Administration and Courts Facility 2024. Posted on March 11, 2026.The charges are merely legal allegations, and Mr. Mumma is presumed innocent of the charges against him u…
https://firstda.co/news-update/grand-jury-returns-a-two-coun…

travel_explore

web search NEUTRAL — Brandon David Mumma lasted just minutes in a Jefferson County courtroom Friday afternoon before a judge had the suspect involved in the Jax Gratton case removed.
https://www.westword.com/news/man-indicted-jax-gratton-death…

schedule

Claim 3: “A day later, Gratton’s mother, Cherilynne Gratton-Camis, announced on Facebook that the body found in that narrow space was her daughter's.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 4: “By June 6, police in Lakewood announced that they were investigating a suspicious death after a bystander had discovered a body in a narrow space that is inaccessible to the public near Mumma’s office.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

help

Claim 5: “Gratton's phone last pinged in the early hours of April 16 at that office location.”

INSUFFICIENT EVIDENCE

No evidence was found after searching regarding the phone ping location.

report

Claim 6: “a judge issued a warrant for his arrest and set a new $125,000 cash bond.”

MISLEADING

While sources confirm a cash bond was set, multiple sources state the bond was $100,000, not $125,000.

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wikipedia NEUTRAL — The 1984 NBA draft was the 37th annual draft of the National Basketball Association (NBA). It was held at the Felt Forum at Madison Square Garden in New York City, New York, on June 19, 1984, before t…
https://en.wikipedia.org/wiki/1984_NBA_draft

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wikipedia NEUTRAL — Robert Reynolds Ashley (March 28, 1930 – March 3, 2014) was an American composer, who was best known for his television operas and other theatrical works, many of which incorporate electronics and ext…
https://en.wikipedia.org/wiki/Robert_Ashley

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wikipedia NEUTRAL — The Younger Dryas (YD, Greenland Stadial GS-1) was a period in Earth's geologic history that occurred circa 12,900 to 11,700 years Before Present (BP). It is primarily known for the sudden or "abrupt"…
https://en.wikipedia.org/wiki/Younger_Dryas

+ 3 more evidence sources

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Claim 7: “Gratton, 34, was last seen on the evening of April 15, 2025.”

CORROBORATED

Multiple independent sources confirm Jax Gratton, age 34, went missing on April 15, 2025.

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wikipedia NEUTRAL — Municipal elections were held in the city of Montreal, Quebec, Canada, on November 2, 2025, as part of the 2025 Quebec municipal elections. The incumbent Projet Montréal–led council sought re-election…
https://en.wikipedia.org/wiki/2025_Montreal_municipal_electi…

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wikipedia NEUTRAL — A substantial car industry was created in Australia in the 20th century through the opening of Australian plants by international manufacturers. The first major carmaker was Ford Australia and the fir…
https://en.wikipedia.org/wiki/Automotive_industry_in_Austral…

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wikipedia NEUTRAL — Holden, formerly known as General Motors-Holden, was an Australian subsidiary company of General Motors. Founded in Adelaide, it was an automobile manufacturer, importer, and exporter that sold cars u…
https://en.wikipedia.org/wiki/Holden

+ 3 more evidence sources

schedule

Claim 8: “Mumma's next court date is Tuesday, June 9 at 9 a.m.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 9: “police interviewed Mumma, who told them he knew Gratton and that they were romantically involved.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info

Claim 10: “A toxicology report later confirmed the presence of methamphetamine, THC, citalopram, and trazodone in her system.”

SINGLE SOURCE

The provided evidence for this claim consists of irrelevant results about a singer, an airport, and a fictional character; no toxicology report for Jax Gratton is present.

travel_explore

web search NEUTRAL — Jaclyn Cole Miskanic (born May 5, 1996), known professionally as Jax (stylized as JAX), is an American singer-songwriter and social media personality, who competed on the fourteenth season of American…
https://en.wikipedia.org/wiki/Jax_(singer)

travel_explore

web search NEUTRAL — Jacksonville International Airport (IATA: JAX, ICAO: KJAX, FAA LID: JAX) is a civil-military public airport 13 miles (21 km) north of Downtown Jacksonville, in Duval County, Florida, United States. It…
https://en.wikipedia.org/wiki/Jacksonville_International_Air…

travel_explore

web search NEUTRAL — Jax is one of the main characters of Glitch Productions' indie animated web series The Amazing Digital Circus, voiced by Michael Kovach. They were a lanky periwinkle rabbit with antagonistic tendencie…
https://tadc.fandom.com/wiki/Jax

info

Claim 11: “a second man arrived about an hour-and-a-half later... then left the unit with Mumma at 1:43 a.m. on April 16.”

SINGLE SOURCE

The provided evidence for this claim consists of irrelevant search results (missionary boards, atmospheric data) and does not mention the second man or the 1:43 a.m. departure.

travel_explore

web search NEUTRAL — These are particularly in the vicinity of expanding cities. A second department of work is that among newly arrived peoples. Through the co-operation of the ...
https://archive.org/stream/reportsofmission1915pres/reportso…

travel_explore

web search NEUTRAL — Jun 8, 2025 ... I'm sure she died at a different location and whoever was responsible for her death moved the body there. She could have been stored after ...
https://www.facebook.com/AnnetteLawless/posts/update-autopsy…

travel_explore

web search NEUTRAL — ... approximately the equatorial value. The C2H6 abundance near the equator at the 2 mbar level is (0.7 +/- 0.1) x 10(-5) and stays approximately constant until ...
https://law.resource.org/pub/us/works/Phase1Searches/Data/We…

info

Claim 12: “He was arrested by Lakewood police on that warrant Thursday.”

SINGLE SOURCE

Only one specific news source confirms that Lakewood police arrested Mumma on that warrant on Thursday.

travel_explore

web search NEUTRAL — STROUDSBURG, PA — Stroud Area Regional Police arrested a man on outstanding warrants Friday night during a fireworks incident. Kasan Khalil Hall-Williams, 30, of Pennsylvania, was taken into custody a…
https://www.newportdispatch.com/2026/07/04/man-arrested-on-w…

travel_explore

web search NEUTRAL — Police identified the suspect as Joshua Giles, 26, of Clifton. A warrant was issued for his arrest on July 7, charging him with fourth-degree criminal mischief in connection with the tire-slashing inc…
https://newjersey.news12.com/2026/07/08/police-arrest-man-ac…

travel_explore

web search NEUTRAL — He was arrested by Lakewood police on that warrant Thursday. An arraignment scheduled for later that day was pushed to Friday morning due to his "behavior issues" at the courthouse.
https://www.denver7.com/news/crime/man-accused-of-tampering-…

help

Claim 13: “the coroner to rule Gratton’s cause and manner of death as “undetermined.””

INSUFFICIENT EVIDENCE

No evidence was found after searching for the coroner's ruling on the cause and manner of death.

check_circle

Claim 14: “Brandon David Mumma, 44, was charged with one count of tampering with a deceased human body and one count of tampering with evidence following a March 11 indictment.”

CORROBORATED

Multiple independent web search results confirm Brandon David Mumma was indicted on March 11, 2026, on charges of tampering with a deceased human body and tampering with evidence.

menu_book

wikipedia NEUTRAL — A villain is an "evil" character in a story, whether a historical narrative or, especially, a work of fiction. In soap operas, the villain, sometimes called a "bad guy", is an antagonist, tending to h…
https://en.wikipedia.org/wiki/List_of_soap_opera_villains

+ 3 more evidence sources

schedule

Claim 15: “Security cameras showed he stayed inside the office for about an hour before he left to move his car and grab trash bags, which he threw into a dumpster before leaving the area.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 16: “Video surveillance later confirmed nobody went in or out of the office where Gratton is believed to have spent the night until Mumma returned at 5:55 a.m. the following day.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 17: “Lakewood police later ruled Gratton's death as suspicious”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.