Surveillance video shows Andrew James McGann's arrest at Arkansas salon during a haircut for Devil's Den State Park double murder of Clinton and Cristen Brink.

Andrew James McGann, the former North Texas elementary school teacher who is accused of murdering a couple hiking with their children at Devil’s Den State Park in Arkansas, was in the middle of a haircut when he was captured.

The teacher accused of murdering a couple as they hiked with their two young daughters at Devil’s Den State Park in Arkansas was “cold” and “disinterested” in his students before he was placed on administrative leave two years ago,

A teacher arrested in the murder of a married couple found stabbed to death on a trail in an Arkansas park was held without bond after a brief court appearance on Friday. Andrew James McGann, 28, of Springdale, Arkansas, was appointed a public defender, according to ABC affiliate KHBS.

Friends say the elementary school teacher accused in the crime graduated from Fenwick High School in Oak Park in 2015. Andrew James McGann made his first court appearance on Friday morning. He is facing capital murder charges in the stabbing deaths of Clinton and Cristen Brink.