Brother of Las Vegas shooter, Bruce Paddock, detained in child porn investigation

Authorities say the brother of Las Vegas shooter Stephen Paddock has been arrested in Los Angeles on suspicion of possessing child pornography.

The arrest Wednesday of Bruce Paddock was confirmed by a law enforcement official briefed on the investigation but not authorized to discuss it publicly.

READ MORE: What we know about Las Vegas gunman Stephen Paddock

Bruce Paddock is not considered a suspect in the Las Vegas shooting. The official says the child porn case predates the shooting. It wasn’t immediately known if he has an attorney.

Fifty-eight people were killed and hundreds more were wounded Oct. 1 at the Route 91 Harvest Festival on the Las Vegas Strip. Stephen Paddock opened fire from the 32nd floor of the Mandalay Bay casino-hotel tower.

READ MORE: Las Vegas shooter’s brother ‘completely dumbfounded’ after attack

Another brother, Eric Paddock, spoke to media following the shooting but Bruce Paddock did not.

WATCH: Eric Paddock speaks to media about his brother

3:10 Las Vegas shooter’s brother reads final text from gunman, pleads for mother to be left alone