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 have released a photo and sketch of a person they want to question about a fatal attack at Devil's Den State Park in Arkansas. The search for the suspect, who killed a married couple

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.