Sex offender attacks girl in front of family

She was the only one on the jungle gym at University Park in Phoenix when she was attacked, a 4-year old girl 30 feet away from her own family.

Witnesses say William Speed grabbed the girl and took off her clothes.

When she screamed witnesses and family members fought the man off of her. The girl's cousin told 12 News she's fine, but refuses to talk about what happened.

In 1996, Speed was convicted of molesting a7-year-old girl and spent time in prison. Police say he is a registered sex offender but is also homeless. His address comes back to the CASS shelter in downtown Phoenix. The director of Central Arizona Shelter Systems says at least 70 sex offenders are living on campus and there's no real way to track them.

The victim's family says they've learned an awful lesson. They' re now more vigilant around their children The girl's aunt, who was with her at the park, is said to be guilt-ridden over what happened.