Houston police are searching for people who may have had contact with a convicted sex offender accused of raping two girls, infecting them with HIV and other sexually transmitted diseases.

In a news conference Friday, investigators said David R. Wilson, 33, had admitted to having sex with several people, but did not tell them their names or ages.

Wilson was charged this week with super-aggravated sexual assault of a child and sexual assault of a child.

Both girls, a 2-year-old relative and a 14-year-old, were infected with HIV and herpes. The younger girl also was diagnosed with chlamydia, police said.

Read more at Chron.com.