Sumter (WLTX) -- The South Carolina Attorney General's Office and Crimestoppers need your help finding a man wanted on child sex crimes.

Officers say Anthony Ray Nielson is wanted for 10 counts of Sexual Exploitation of a Minor, 3rd Degree and 4 counts of Sexual Exploitation of a minor, 2nd Degree. He is considered armed and dangerous.

Investigators said Nielson goes by the nickname Hammer and is known for riding motorcycles.

His last known address is in Sumter. He has known ties to Bishopville, Southeast Georgia, and Pennsylvania.

If you know where Nielson is you're asked to call Crimestoppers at 1-888-CRIME-SC. Your tip could earn you a cash reward.