PROVIDENCE, R.I. — The investigation into last weekend’s mass shooting at Brown University has taken a new turn. Officials revealed they are exploring a connection to a nearby shooting that took the life of an MIT professor, Nuno F.G. Loureiro, just days later. As search efforts continue, frustration among the Providence community is growing, with many concerned about safety as the shooter remains unidentified. Investigators have released video footage showing a suspect but lack a clear image, complicating the search. Although such incidents typically result in swift apprehensions, the elusive nature of the shooter in this case is raising alarms. City officials emphasize their commitment to public safety and urge anyone with information to assist in the investigation.