Max Hayworth and Danielle Kumerow in a Facebook post on May 24, 2022. Source: Kumerow’s Facebook page. (No photo could be located of the suspect arrested)
Maxwell Michael Hayworth, Danielle Kumerow are wanted for burglary, narcotics violations, possession of an explosive device, child endangerment.
By Jimmy Lee, Director of Public Affairs, Contra Costa Sheriff’s Office
On Tuesday, March 26, 2024, at about 9:52AM, detectives from the Contra Costa Sheriff’s Office served a search warrant at a residence on the 800 block of Shasta Daisy Drive in Brentwood.
During the search, they found a DMT (Dimethyltryptamine) manufacturing laboratory. While processing the lab, a team from the Contra Costa Hazardous Materials Program found a possible explosive compound stored in three containers.
The Walnut Creek Police Department Bomb Squad responded to the location. Officers suspected the compound was TATP (Triacetone Triperoxide), which is a highly volatile explosive compound. It was determined that two of the containers could be moved to another location for detonation, while one needed to be detonated in place. Nearby residents were evacuated.
The three containers were later detonated without incident. One person was arrested: 29-year-old Jonathan Thomas McCarthy (born 2/18/95) of either Oakley or San Jose. He was booked into the Martinez Detention Facility for an outstanding arrest warrant for parolee at large. The Sheriff’s Office is still looking for two suspects:
-44-year-old Maxwell Michael Hayworth of Brentwood
-42-year-old Danielle Kumerow of Brentwood
Both are wanted for burglary, narcotics violations, possession of an explosive device, and child endangerment.
The six-foot, two-inch, 230-pound McCarthy is currently at the West County Detention Facility and his next court appearance is scheduled for May 14, 2024, at 8:00 a.m. at an out of county court. According to recentlybooked.com, he was also arrested in Napa County on Sept. 19, 2023 for a probation violation.
According to localcrimenews.com, Hayworth was arrested by the CCC Sheriff’s Department on Jan. 10, 2024, for multiple weapons drug charges. He was arrested again on March 13, 2024, by Martinez Police for drug possession and burglary. But he bonded out of custody the next day.
The investigation is ongoing. Anyone with any information on this incident or the location of the suspects is asked to contact the Investigation Division at (925) 313-2600. For any tips, email: tips@so.cccounty.us or call (866) 846-3592 to leave an anonymous voice message.
The Sheriff’s Office would like to thank the following agencies for their assistance: Walnut Creek Police Department Bomb Squad, Brentwood Police Department, FBI, JTTF (Joint Terrorism Task Force), Con Fire, AMR, and Contra Costa Hazardous Materials Program.
Allen D. Payton contributed to this report.
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