A teenager from Dorchester was last seen early Tuesday morning in the area of 540 Commonwealth Avenue wearing a black t-shirt and light blue jeans with rips. Community members who wish to provide information anonymously may do so through the CrimeStoppers Tip Line. Photos and videos related to the investigation can also be submitted anonymously via CrimeStoppers. The Boston Police Department strictly protects the identities of those who assist in investigations anonymously.