a source at barwood cab company tells news4 one of its drivers called police after the shooting, said he had taken a, quote, weird looking guy to the mall. we've not heard from howard county police to confirm or deny this. but the other thing to note is aguilar was picked up in burtonsville. if he lived and worked in college park, what was he doing in burtonsville? meanwhile, investigators still tight-lipped about the contents of aguilar's journal, but confirm he knew he was having mental health issues. what the journal does not show is a link to breanna benlolo and tyler johnson. the number one question in this investigation, motive undetermined. and the one thing that has been ruled out in this investigation is a number of people had tipped off police to a picture of benlolo and someone that allegedly looked like the shooter. it was not him. that has been ruled out. in columbia, maryland, erika gonzalez, news4. >>> some of the platform signs at the metro center metro station won't be much use to riders in the coming days. they've been covered up following an embarrassing mistake. it

sources familiar with the investigation say that later that saturday morning, aguilar took a barwood cab from this wendy's on briggs cheney road to the columbia mall. according to sources, aguilar used a smartphone app to the summon the cab. sat quietly slouched this the back seat of the cab. carried a backpack that appeared to be heavy. paid the driver $40, and $27 for the fare, and $13 for the tip. and now, after the driver heard about the shootings on the radio, he called police to say that he had dropped off someone at the mall who appeared to be, quote, weird. now, back to that wendy's off briggs cheney road, and today, i talked to mary and she works here and she recognized the picture of aguilar that i showed r and she says that he would sometimes hang out here with other young people, and she remembers him as being courteous. this is how mary tells the story. some time saturday morning after 9:30, ing a aguilar is here wit young man and the cab pulls up, and aguilar, he gets into the cab, and he walks away. when you heard that he was the gunman? >> well, that was actual ly ver