NEWSFBI news conference on Brittanee DrexelDawn Drexel, mother of Britanee Drexel, listens during a news conference in McClellanville, S.C., on June 8, 2016.Janet Blackmon Morgan, APFBI Special Agent in Charge David Thomas speaks to reporters during a news conference in McClellanville, South Carolina, on June 8, 2016. He said that the case of Brittanee Drexel of Chili is now being investigated as a homicide and the agency is offering a reward of $25,000 for information leading to the arrest and conviction of those responsible. Drexel was 17 when she was last seen at a hotel in nearby Myrtle Beach, S.C., in April 2009.Bruce Smith/APChad Drexel, father of Britanee Drexel, listens during a news conference in McClellanville, S.C., on June 8, 2016.Janet Blackmon Morgan, APDawn Drexel, mother of Britanee Drexel, speaks to reporters during a news conference in McClellanville, S.C., on Wednesday, June 8, 2016.Bruce Smith, APLt. Joey Crosby of the Myrtle Beach Police speaks at a news conference as Brittanee Drexel's family and their supporters listen during a news conference in McClellanville, S.C. on April 8, 2016.Janet Blackmon Morgan, AP