As the manhunt expands for a suspect in the murders of 43-year-old Clinton Brink and his 41-year-old wife, Cristen, Arkansas State Police released a composite sketch of a man seen at the park where the attack occurred and say they want to question him. NBC’s Aaron Gilchrist reports for TODAY.

Clinton David Brink, 43, and Cristen Amanda Brink, 41, were found dead on a walking trail Saturday at Devil's Den in Arkansas. Their daughters, who are 7 and 9, were not hurt.

Authorities in Arkansas are releasing more information after a couple was killed while hiking with their young children in a state park.