captions paid for by nbc-universal television and welcome to today on this tuesday morning. i m ann curry. and i m matt lauer. it was back on february 26th that 17-year-old trayvon martin was shot and killed down in florida. and after weeks of outrage and protests, the feds are now involved. that s right. and the justice department says it will now perform an independent review of the evidence tied to the shooting in a gated community, and also take appropriate action. that investigation was announced last night just hours after several rallies to demand the shooter s arrest. we re going to get more on this brewing controversy coming up straight ahead. also ahead a story we told you about a couple of months ago. a woman who was lucky to be alive. she was hit by a shopping cart that was thrown from the fourth floor of a parking garage at a mall here in new york city. now, the victim is speaking out about the incident for the first time, and wait until you hear what s