they don't francis hebert but it's not too apart. >> in aviation mystery is swirling around the airport. it's been more than one month since a fatal crash will learjet that claimed the life of a pilot and copilot. the copilot has been identified authorities have not released the name of the pilot, why? i went to the scene of the crash to try to find out more. the learjet was heading into a landing when it crashed the parking of the department of public works. fortunately, no one on the ground was her. both men on the plane were killed. jeff has been identified as a copilot, a new jersey native living in california. we still do not know who the pilot was probably the ill-fated flight took off in the morning and flown to bedford, massachusetts were picked up one passenger. the flight continued from bedford to philadelphia where this mystery passenger was dropped off. >> who is it? >> the copilot pilot flew back and that's for the tragedy struck. >> my daughter sent me a text message send the building next door just exploded there smoke everywhere. >> i headed to the new jersey aviation ha