Friday, April 23, 2010- The Collin County Child Abuse Task Force and Wylie Police Department have made an arrest in the death of 6 years of age, Gerren Joseph Isgrigg.  Investigators obtained a tip from the National Center for Missing and Exploited Children, which led them to Gerren’s primary caretaker, 63 years of age, Darlene Phillips, his maternal grandmother.  Phillips was interviewed by investigators at the Children’s Advocacy Center of Collin County.  Phillips is being charged with Murder and is currently being held in the Collin County Detention Facility.  Phillips bond has been set at $500,000.00.