FREEHOLD - A suspended New Jersey police officer has pleaded not guilty to charges that he chased and gunned down his ex-wife while their 7-year-old daughter was in his car.

Attorney Edward Bertucio pleaded not guilty on Neptune Township Sgt. Philip Seidle's behalf Wednesday on murder, weapons and child endangerment charges.

Authorities say Seidle was off duty and had his daughter in the front seat of his vehicle when he chased after a car driven by his ex-wife, Tamara, on June 16. 

Authorities say moments after the chase ended, he got out and fired his service weapon several times into her vehicle. The situation unfolded on Sewall Avenue in Asbury Park.

She died at a hospital. Officials say Seidle threatened to shoot himself before he surrendered to police.