Woman charged after infant found with cocaine in system 04/13/2019 10:25 am PDT Comments WITI via WITI CLARKSVILLE, Tenn. (WITI) -- A Clarksville woman has been charged with child abuse after a 2-month-old in her care was found to have cocaine in his system, according to police. Clarksville Police had received a report that the child had been exposed to drugs. During the investigation, it was determined the 2-month old had cocaine in his system. Police said caretaker Portia Marcum had been staying at a residence in which drugs were present and being used as well as Marcum herself being involved in drug usage. There were occasions when the infant was left in a bedroom alone while Marcum went into a different room to use drugs, according to police. MORE: Woman charged after infant found with cocaine in system - WITI #Tennessee #WITI Waiting for your permission to load facebook comments.