intellectually and developmentally disabled. overnight, a vigil. thousands of people showing up to this vigil. one of the people who spoke was a congress member who represents the area. >> i always known it to be a loving community. as i gather with you this evening, i see it manifested in a very powerful expression. look at the bridge filled with people. the walkways filled with people. to the family members, know your loved ones are loved by their community. >> reporter: the investigation into the horrific accident is ongoing and it is a tense investigation. specifically looking at the 2001 ford excursion. it was modified. chopped in half and stretched