3 3 3 3 3 3 the investigation continues at this hour into a deadly train derailment in ellicott city. city.two people were killed early this morning.tom rodgers is here with the very latest about the investigation.. and the day s other top stories. we are learning that the n-t-s-b is taking over the investigation.joel d. smith is streaming now from the scene with the very latest.joel? joel? 3 3 a prince george s county police officer is killed during a police chase monday. monday. 23-year old adrian morris died when the cruiser he and his partner were in went off interstate 95 and into a ditch near beltsville. police say two officers were trying to pull-over a car . believed to be involved in a theft.police say morris was an officer for two-and-a-half years. but had been involved with the department since high school. vasquez says: and i thought he was ok. i thought he was breathing. i didn t know what his status was. he moved his head, i thought. i didn t know he didn t