The alleged accomplice of Palm Springs bomber Guy Edward Bartkus died in a Los Angeles prison on Tuesday, according to authorities.
Daniel Park, 32, was found unresponsive in his cell at the Metropolitan Detention Center (MDC) in downtown L.A. around 7:30 a.m., according to a release from the U.S. Bureau of Prisons.
Jail staff responded and immediately began life-saving measures, however, Park was pronounced deceased after being transported to a local hospital.
A cause of death was not disclosed.
Both the FBI and the U.S. Marshals Service were notified of Park’s death. No other jail employees or inmates were injured and the public was never in any danger, per the Bureau of Prisons release.
Park had arrived at Metropolitan Detention Center on June 13 under pre-trial status after being indicted for malicious destruction of property.
He was alleged to have been a co-conspirator of Bartkus, who detonated a bomb outside the American Reproductive Centers in Palm Springs on May 17.
Bartkus, 25, was the sole fatality in the bombing, although several individuals were injured. The explosion destroyed the reproductive health facility but did not harm the reproductive material that was being stored within.
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A car explosion outside a reproductive health facility in Palm Springs left one person dead late Saturday, May 17, 2025. (FB/American Reproductive Centers-Palm Springs) -
Sky5 was overhead to see the aftermath of a terrorism attack near a fertility clinic in Palm Springs. May 2025. (KTLA) -
Sky5 was overhead to see the aftermath of a terrorism attack near a fertility clinic in Palm Springs. May 2025. (KTLA) -
Sky5 was overhead to see the aftermath of a terrorism attack near a fertility clinic in Palm Springs. May 2025. (KTLA) -
Sky5 was overhead to see the aftermath of a terrorism attack near a fertility clinic in Palm Springs. May 2025. (KTLA) -
Damage to a building is seen after an explosion in Palm Springs, Calif., on Saturday, May 17, 2025. (AP Photo/Eric Thayer)
Park, a native of the Seattle area, was arrested on June 4 at John F. Kennedy International Airport in New York upon returning from Poland, federal officials said.
He allegedly supplied Bartkus with 270 pounds of ammonium nitrate, which is a chemical compound used in explosives.
Authorities believe both men shared an extremist ideology that people should not have been born without their consent.