Authorities are trying to track down the whereabouts of 10 registered sex offenders who moved and failed to report their change of address.

The Summit County Sheriff’s Office, Summit County Adult Probation Department and Ohio Adult Parole Authority recently held a two-day investigation to verify the addresses of more than 340 sex offenders living in the community.

Ten weren’t at their registered address, authorities said.

There are 1,070 adult registered sex offenders in Summit County.