Police in Arkansas are searching for a suspect in the deaths of a couple who investigators said were attacked while on a wooded walking trail with their two young daughters.

Arkansas State Police said Monday they are investigating "any and all tips" in the search for the suspect accused of killing Clinton and Cristen Brink.

State police identified the victims on Sunday as 43-year-old Clinton David Brink and his 41-year-old wife, Cristen Amanda Brink. In a statement issued on Sunday, the Arkansas State Police said the couple was killed while out hiking with their two daughter, ages 7 and 9, who were not injured in the incident.