years in prison for traveling to maryland with the intent of having sex with a minor. 34-year-old patrick mahan . he was sentenced today. he contacted an undercover baltimore county detective on the internet thinking she was a young girl. >>> a 911 call from a shopping center in westminster led police to a suspect who had allegedly been threatening people with a knife over his myspace page. anthony palmreno says he left the cyber cafe on sunday when 20-year-old george arts confronted him and accused him of deleting the friends from his myspace page. >> like he came right towards me and pulled out his life in and started coming towards me and stuff. and i jumped back. i was really scared. >> maryland state police caught up with arts outside a grocery store across the street and they arrested him. according to court documents, arts has a history of mental disorders, and once set someone's property on fire in taneytown. >>> neighbors, business owners, and police are spending the night outside tonight, fighting crime on their own terms. tonight is the 26th annual national night out. a night that ne