administrator paul weidefeld has asked baltimore county police to take the lead in the investigation and he is calling on the ntsb, federal transit authority and american public transit association to offer expert consultation. weidefeld also says police will re-review video and audiotapes from the trains involved and re-interview witnesses. they will also look for evidence to see if the driver was on his cell phone or text messaging at the time of the accident. the families of 17-year-old step brothers kyle wankmiller and connor peterson are hoping to get some answers. >> why couldn't the conductor have seen them? he's supposed to have big windows, eight-foot, 10-foot windows. what was he doing that he didn't see the boys? >> out of respect for the family i have asked baltimore county to take the lead on case. >> the investigation is expected to take 30 days and then will be turned over to the state attorney's office for review. that is the standard procedure in a death case. as far as the driver, he has been taken out of service until this investigation is complete. reporting live