Andrew James McGann, of Springdale, Arkansas, was charged with two counts of capital murder in the killings of 43-year-old Clinton David Brink and his wife, 41-year-old Cristen Amanda Brink, Arkansas State Police said.

He is being held without bond and is expected to appear Friday morning at the Washington County Detention Center.

Arkansas authorities say a 28-year-old schoolteacher has admitted he killed a couple who were hiking with their two young daughters at a state park.