A suspect who worked as a teacher in public schools has been arrested in the killings of a couple who were attacked on an Arkansas hiking trail Saturday, state police said Wednesday.

James Andrew McGann, 28, of Springdale, was arrested at 4:57 p.m. Wednesday at a business in Springdale and is charged with two counts of capital murder, Arkansas State Police said in a statement.

He is accused of killing Clinton David Brink, 43, and Cristen Amanda Brink, 41, who were attacked Saturday afternoon in front of their daughters while they were hiking at Devil’s Den State Park, police have said.

He was arrested at a barber shop after a dayslong manhunt, police said.