By Imy Brighty-Potts A New Mexico police officer tragically died after being stabbed by a homeless man with a history of crime and mental illness just before a witness shot and killed the suspect. Officer Jonah Hernandez, 35, was stabbed to death in what cops have called an “unprovoked attack” on Sunday at around 5pm as he responded to a trespassing call at the 300 block of South Valley Drive in the city of Las Cruces. According to Las Cruces Police Chief Jeremy Story, as soon as Hernandez arrived at the scene, the suspect, Armando Silva, 29, “immediately attacked him with a large kitchen knif…