Massachusetts authorities described Aaron Pennington as “armed and dangerous” and both a person of interest and suspect in his wife’s murder from day one, as seen in this Oct. 22, 2023 news briefing. (Worcester County District Attorney’s Office) Massachusetts authorities described Aaron Pennington as “armed and dangerous” and both a person of interest and suspect in his wife’s murder from day one, as seen in this Oct. 22, 2023 news briefing. (Worcester County District Attorney’s Office)