Man charged with supplying explosive chemicals to bomber of Palm Springs
fertility clinic
[June 05, 2025]
By JAIMIE DING, OLGA RODRIGUEZ and JAKE OFFENHARTZ
LOS ANGELES (AP) — Federal authorities arrested a man they say
collaborated with the bomber of a fertility clinic in May, alleging that
he supplied chemicals used to make explosives and traveled to California
to experiment with them in the bomber’s garage months before the attack.
The two men connected in fringe online forums over their shared beliefs
against human procreation, authorities told reporters Wednesday. The
blast gutted the fertility clinic in Palm Springs and shattered the
windows of nearby buildings, with officials calling the attack terrorism
and possibly the largest bomb scene ever in Southern California. The
clinic was closed, and no embryos were damaged.
Guy Edward Bartkus of California, the bomber, died in the May 17
explosion. Authorities arrested Daniel Park, 32, of Washington state on
Tuesday after he was extradited from Poland, where he fled to four days
after the attack. Park is charged with providing and attempting to
provide material support to terrorists.
Park spent years stocking up on ammonium nitrate, a chemical that can be
used to make explosives, before shipping it to Bartkus and later
visiting him in Twentynine Palms, California. He stayed for about two
weeks earlier this year, and the two conducted bomb-making experiments
in the detached garage of Bartkus’ family home, said Akil Davis, the
FBI’s assistant director in charge.
Park, 32, was taken into custody at New York’s John F. Kennedy Airport,
U.S. Attorney Bill Essayli told reporters. He appeared in federal court
Wednesday in Brooklyn and, through his lawyer, waived his right to a
detention hearing in New York.
Judge Cheryl Pollak ordered him to remain detained, saying he posed a
serious risk. He will be sent to California, and federal defender
Jeffrey Dahlberg said Park reserves the right to have a hearing on
probable cause there. A date for that hearing has not been set,
prosecutors said.
A cache of chemicals
Authorities searched Park’s home in Kent, a suburb of Seattle, and found
large quantities of several chemicals and handwritten notes of chemical
explosive equations, according to a federal complaint. One was for “an
explosive recipe that was similar to the Oklahoma City bombing,” Davis
said, a reference to the 1995 explosion that killed 168 people and was
the deadliest homegrown attack in U.S. history.
Park shipped 180 pounds (about 82 kilograms) of ammonium nitrate to
Bartkus in January and bought another 90 pounds (about 41 kilograms) and
had it shipped to him days before the explosion, authorities said. Park
purchased ammonium nitrate online in several transactions between
October 2022 and May 2025, according to a federal complaint.
Three days before Park visited him in January, Bartkus asked an AI chat
application about explosives, detonation velocity, diesel and gasoline
mixtures, the complaint said. The discussion centered on how to create
the most powerful blast.
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In a search of Bartkus' family's home, authorities found “large
quantities" of explosives material. Bartkus' relatives told
investigators the two were “running experiments” in the garage.
Bartkus' family did not raise any concerns to officials, authorities
said.
An analysis of the blast site showed that ammonium nitrate could
have been used in the explosive mixture, though it could not be
“conclusively established,” the complaint said.
A shared ideology
Park and Bartkus, 25, met in online forums dedicated to the anti-natalist
movement, bonding over a “shared belief that people shouldn’t
exist,” Davis said.
Anti-natalism is a fringe theory that opposes childbirth and
population growth and contends that people should not continue to
procreate. Officials said Bartkus intentionally targeted the
American Reproductive Centers, a clinic that provides services to
help people get pregnant, including in vitro fertilization and
fertility evaluations.
Bartkus appeared to take responsibility for the attack on a website
he set up that contained audio recordings, according to the
complaint.
“Basically I’m anti-life. And IVF is like kind of the epitome of
pro-life ideology,” he allegedly said in one of the recordings.
Investigators have not said whether Bartkus intended to kill himself
in the attack or why he chose that specific facility.
Park appeared to be a frequent poster in an anti-natalist Reddit
forum going back nearly a decade, according to court papers. In 2016
he spoke of recruiting others to the movement, which he described as
hopeful. “When people are lost and distraught, death is always an
option,” he allegedly wrote.
Relatives told federal investigators that Park made “pro-mortalist”
statements since high school, according to the complaint.
More recently, in March, he posted in the forum to say he was
seeking to find fellow anti-natalists in and around Washington to
“start some protests or just any in-person events,” according to
court papers. The post did not receive any public comments.
Park and Bartkus visited each other going back at least a year,
their relatives told investigators, according to court records.
___
Rodríguez reported from San Francisco, and Offenhartz from New York.
Associated Press writers Eric Tucker in Washington and Phillip
Marcelo in New York contributed.
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