A state police gang unit is saying a gang out of Cambridge with an enduring feud in Somerville may be tied to a roving gunfire incident Tuesday.

These looks at what’s on screens in the coming week include the arrival of the Boston Underground Film Festival at The Brattle, “Touch of Evil” in Kendall Square and new flicks “Boston Strangler,” “Inside” and “Pacifiction.”

North Cambridge’s Mussie Nirayo will be remembered Saturday with a memorial, burial and reception. The 22-year-old died Monday in Woburn in a shooting.

Police are seeking to identify a bicyclist described as attacking a pedestrian – a bike-rage incident that took place after they crossed paths by Cambridge Common.

Police confirmed gunfire at around midnight Friday at the Briston Arms apartments on Garden Street in Neighborhood 9, though the confirmation came Friday afternoon during officers’ second visit to the complex.

A Melrose man and Cambridge municipal employee has been charged in connection with possessing and receiving child sexual abuse material, authorities said.

A threat about race and university diversity programs leads to a brief Tufts campus lockdown and reactions that included plenty of eye rolls and exasperation.

Cambridge police are warning residents about calls from scammers impersonating officers, even down to the Machiavellian tactic of “spoofing” the department’s phone number so targets believe the call is genuine.

Police are investigating an assault at Market and Windsor streets in The Port, where a woman in her 20s was walking her dog around midnight Monday.

A tense situation ended “safely” late Tuesday with a man in custody after police officers said they entered a Gore Street home where he was barricaded.