Authorities have arrested a suspected toddler-rape fugitive in Henderson, Nev.  He had been on the run since last month, when a videotape surfaced depicting him raping a 3-year-old girl.

Expert:

  Dr. Richard Gelles

  Dean, School of Social Policy and Practice, University of Pennsylvania

Credentials:

* Internationally known expert on child abuse, sexual abuse and family violence

* Author of "Controversies on Domestic Violence " and "The Violent Home"

* Currently co-authoring "Intimate Violence and Abuse in Families"