Crime Brother of Las Vegas Mass Shooter Detained in Child Porn Investigation Bruce Paddock was taken into custody on Wednesday as part of a joint investigation involving the Los Angeles Police Department and the Federal Bureau of Investigation By Chris Harris Chris Harris Twitter Chris Harris has been a senior true crime reporter for PEOPLE since late 2015. An award-winning journalist who has worked for Rolling Stone and MTV News, Chris enjoys prog rock, cycling, Marvel movies, IPAs, and roller coasters. People Editorial Guidelines Published on October 25, 2017 02:15 PM Share Tweet Pin Email Bruce Paddock, the estranged brother of Las Vegas mass shooter Stephen Paddock, has been arrested by Los Angeles authorities on accusations of possessing child pornography, PEOPLE confirms. Paddock was taken into custody on Wednesday, as part of a joint investigation involving the Los Angeles Police Department and the Federal Bureau of Investigation, an FBI official tells PEOPLE. Bruce Paddock is not considered a suspect in the Las Vegas massacre, according to police. After the shooting, another brother, Eric Paddock, spoke out about his shock at the shooting. Detectives had been investigating Bruce Paddock for months before the Oct. 1 mass shooting in Las Vegas, in which 58 people were killed and hundreds were wounded, the official tells PEOPLE. • Want to keep up with the latest crime coverage? Click here to get breaking crime news, ongoing trial coverage and details of intriguing unsolved cases in the True Crime Newsletter. The 58-year-old was detained while at a Los Angeles assisted-living facility, where he was awaiting surgery for spinal stenosis. Bruce Paddock has been charged with one count of possession of child pornography and 19 counts of sexual exploitation of a child. He is being held on $60,000 bail. It was not immediately clear Wednesday if he has retained an attorney. A statement from the Los Angeles Police Department alleges Bruce Paddock had been squatting in a Los Angeles business, where sexually explicit images of children were later discovered. Because he was a transient, investigators had trouble tracking Bruce Paddock down. • PEOPLE’s special edition True Crime Stories: 35 Real Cases That Inspired the Show Law & Order is on sale now. Bruce’s brother, Stephen Paddock, committed suicide after firing upon the Route 91 Harvest Festival in Las Vegas earlier this month. Country artist Jason Aldean was performing on stage when he began shooting. A motive for the mass killing has not been released by authorities investigating the murders. Bruce and Stephen Paddock’s father, Benjamin Paddock, was a notorious bank robber who once occupied a slot on the FBI’s most wanted list.