A police officer who fatally shot a man armed with a knife inside a Middlesex County home nearly one year ago will not be criminally charged, a state grand jury ruled Monday. Police responded to a 911 call regarding a dispute at 3:09 p.m. on April 24 at a home on Woodland Avenue in the Laurence Harbor section of Old Bridge, according to the New Jersey Attorney General’s Office, which investigated the incident. Old Bridge police Officer Christopher Hammel wasmet at the door by an unidentified woman, who told him26-year-old Luke Mendez was upstairs, according to police body-camera footage previo…