Gunman opens fire on busy Cambridge street

Two people are in critical condition after a gunman in Cambridge, Massachusetts, began randomly firing at cars on a busy street, officials say. Lilia Luciano has the latest.

Two people are in critical condition after a gunman in Cambridge, Massachusetts, began randomly firing at cars on a busy street, officials say. Lilia Luciano has the latest.

Two people are in critical condition after a gunman in Cambridge, Massachusetts, began randomly firing at cars on a busy street, officials say. Lilia Luciano has the latest.