Roberto Gonzalez, 26, of Allentown, pleaded guilty on Sept. 2, 2025, to Voluntary Manslaughter – Unreasonable Belief and Possession of Firearm Prohibited, according to the Lehigh County District Attorney’s Office. He was sentenced by Judge Anna-Kristie M. Marks to 11½ to 28 years behind bars.
The shooting happened on Feb. 17, 2024, around 8 p.m. outside the East Side Fire Social Hall, 405 E. Walnut St., where a birthday party for a 1-year-old child was being held. Several masked men in hooded sweatshirts had gathered outside and a dispute erupted with party guests, investigators said.
Miguel S. Dalmasi, 33, of Alburtis, and father of two sons and a stepdaughter, according to his obituary, went outside to calm things down when a fight broke out. Gonzalez pulled out a firearm that had been illegally modified with a device allowing it to fire automatically, authorities said. Eighteen rounds were fired in seconds. Dalmasi died from multiple gunshot wounds…