william carrasquillo worked at ed's pizza house on rising sun avenue.is boss says he mentioned in january his disabled mother had died. >> i think he came in and just kind of mentioned it and i just left it at that. i don't like to bother him about his personal life. >> police are trying to determine if this is a case of simple fraud or something much worse. a medical examiner is working to figure out whether the mother died of natural causes. >>> a mother and her teenaged daughter remain in critical condition after this food truck explosion feltonville. look at this surveillance video. it shows the moments the vehicle erupt need a fire ball on wyoming avenue yesterday evening. you will hear brand new reaction from a relative of one of the victims coming up in a full report at 5:00 a.m. >> also new this morning, a central pa woman is accused of using bogus medical credentials and giving physical exams to as many as 16 truckers. police say joanne wingate of south middle township advertised at a truck stop offering physical examinations for $65. state pol

. >>> philadelphia police are continuing their search for 58-year-old william carrasquillo.nvestigators say he collected his mother's social security checks for months while her body was in a freezer in their feltonville home. yesterday officers removed the freezer from the home on the 4500 block of north lee street. the body of 83 year old andrea carrasquillo was still in it. police are trying to determine if this is a case of simple fraud or something much worse. the medical examiner is working to figure out whether the mom died of natural causes. >>> new this morning, police in central pennsylvania say professional truck drivers have been duped by a fake doctor. joanne wingate is accused of posing as a psychiatrist to perform bogus exams on commercial truckers who needed to take the exams to maintain their licenses. wingate her self was a chiropractor but regulators suspended her license last fall when they first found out about the alleged illegal exams. >> the fourth of july is a holiday filled with flag ceremonies, fireworks, parades and picnics and when it comes to fo