A Nevada sheriff's investigator says authorities are trying to determine if a 43-year-old convicted sex offender victimized children in places where he used to live in New Jersey, Southern California, Florida and Missouri.

Nye County sheriff's Detective David Boruchowitz says Christopher Kinder used to live in the Santa Monica, Calif., and South Amboy, N.J., areas, Fort Myers, Fla., and Springfield Mo.

Kinder was arrested Thursday in Pahrump, Nevada. He is jailed on $25 million bail pending a court appearance on 5,000 possession of child pornography charges, plus drug and failure to register as an ex-felon charges.

Boruchowitz says detectives found sexually explicit images of hundreds of children after seizing Kinder's laptop in a warrant search at his home about 60 miles west of Las Vegas.