VALDOSTA — On July 19, 2013, an arrest warrant was taken on Kathryn Cortez, 20 year old white female, Valdosta resident, for Armed Robbery in connection with the homicide case involving victim Robert Pett. Cortez voluntarily turned herself in to the Lowndes County Jail on this charge and is currently being held on the charge of Armed Robbery. The investigation revealed that Cortez was involved in the incident which resulted in the death of Mr. Pett. Cortez was familiar with the other two offenders in the case, Michael Pindling and Deron Wallace who have both been charged and arrested involving the death of Pett. Pindling and Wallace have been returned to Lowndes County and are currently being held at the Lowndes County Jail at this time.