The Brief Phillip Cerf is accused of sexual assault cases spanning between 1997 and 2016. An Atascocita man is accused of multiple sexual assault cases in the Houston area spanning almost two decades. Houston crime: 20-year span of alleged assaultsWhat we know:Records confirm that 62-year-old Phillip Cerf has been charged with four counts of aggravated sexual assault. Police say the victims went through a forensic sexual assault examination, and the evidence was saved in the CODIS (Combined DNA Intex System) database. The Texas DPS eventually launched a Sexual Assault Kit Initiative, and evidence from the examinations allegedly identified Cerf as the suspect in those four cases.