A 66-year-old man whom officials deemed “extremely dangerous” is in custody after allegedly attacking hikers on Mount Baldy.
The Los Angeles County Sheriff’s Department sent out a release on Thursday morning, seeking more victims who may have been assaulted, attacked, harassed or threatened by the suspect.
The suspect, identified as Patrick Flinn, is described as a white male who stands 6 feet tall, weighs about 170 pounds and has blue eyes and grey hair.
Flinn is accused of attacking at least 6 hikers in the San Gabriel Mountains in 2025.
LASD in San Dimas told KTLA that Flinn’s latest reported incident happened on May 16 in the Dry Lake Canyon area.
Flinn allegedly blocked the path of a hiker and her dog and began throwing branches at her. He wasn’t letting her leave and, because of the terrain, officials said she didn’t have another way out.
Two other hikers eventually saw she needed help, so one managed to distract Flinn while the other helped the victim get to safety.
In another incident reported on Jan. 12, Flinn was allegedly following five hikers, made up of three men and two women, who were all 18 years old.
According to this report, Flinn was threatening the group and was carrying a sledgehammer.
LASD said Flinn has been living in an old abandoned house in the middle of the forest since 2012, so officials believe there may have been other victims.
In addition, online users have posted TikTok and YouTube videos to warn others about Flinn, so officials know others have encountered him but have not reported those instances to authorities.
Officials noted that county officials are working to see what they can do to shut down the abandoned home Flinn was living in. The house has running water and PVC pipes running from the river to the house, but it does not have electricity.
Flinn also had a pulley system set up where he was able to pull his possessions up to the property.
Inmate records show San Dimas deputies arrested him around 4:30 p.m. on May 16 and booked him on felony charges with a bail set at $295,000.
“Suspect Flinn is extremely dangerous, violent, and known to carry large knives on his person,” LASD said in a release.
If you believe you may have been victimized by Flinn or have any information regarding incidents involving the suspect, officials ask that you contact the Los Angeles County Sheriff’s Department San Dimas Station at 909-450-2700 or the San Dimas Sheriff Station Watch Commander.
To provide information anonymously, call “Crime Stoppers” by dialing 800-222-TIPS (8477), or use the website http://lacrimestoppers.org.
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