A drug investigation by the Indiana State Police (ISP) in Gibson County early Wednesday morning led to the arrest of 5 people. According to ISP reports, around 12:30 a.m., they along with the Gibson County Sheriffs Department and Princeton Police executed a search warrant at the residence of 62 year old Janice Mustain of Princeton and discovered 5 people at the location. Also found inside was methamphetamine, marijuana, pills, digital scales, small baggies and other drug paraphenalia. Arrested along with Mustain were 65 year old Anthony Hayes, 55 year old Cami Clegg and 59 year old Robert Luttrell all also of Princeton and 67 year old Shirley Hayes from Francisco, Indiana. All were taken to the Gibson County Jail and were being held on various drug charges.