Two juveniles and two adults face drug charges after an online chat between Pleasant Valley High School students tipped off police.

The accused are John Flaim, 53, of Brodheadsville; Bradley Sheeran, 21, of Kunkletown; a 16-year-old Kunkletown male and a 15-year-old Brodheadsville male.Pleasant Valley's computer system flagged a conversation about a drug transaction around 11 a.m. Friday morning.Troopers from the Lehighton and Fern Ridge barracks searched a Polk Township home on Saturday and found four marijuana plants, marijuana buds and multiple pipes.A Chestnuthill Township residence was searched Sunday and police found 10 marijuana plants, multiple containers of marijuana buds and drug paraphernalia.Flaim told police he grew the marijuana in his home.He was transported to Monroe County Prison. One juvenile admitted to selling the other juvenile marijuana for $80.Both juveniles were transported to the Northampton Juvenile Detention Center.