LEE, N.H. — A Maine man accused of firing a gun in a shopping plaza parking lot in New Hampshire over the weekend told a witness that he believed that “droids” and “drones” were trying to get him and that he was on his way to Maryland, amassing ammunition along the way, according to a police affidavit. Gordon Falt, 27, of Mount Desert, faces 13 counts of reckless conduct with a deadly weapon, being a felon in possession of dangerous weapons and other charges. The Lee Market Place plaza was busy with shoppers at the Market Basket and other stores on Saturday when shots were heard.