An anesthesiologist accused of trying to kill his wife on a popular Hawaii hiking trail previously accused her of having an affair, which led to “extreme jealousy,” according to a temporary restraining order petition filed by his wife.

Gerhardt Konig, 46, is charged with attempted second-degree murder after allegedly trying to push his wife off a Hawaiian hiking trail before attacking her with syringes and a rock.

The anesthesiologist accused of trying to murder his wife in Hawaii by throwing her off a scenic cliff allegedly admitted to the crime on a FaceTime call with his son soon after, say police. Gerhardt Konig, 46, is being held on an attempted murder charge after allegedly trying to push his wife Arielle Konig during a hike in Oahu, Hawaii, last week.