Authorities say Bell allegedly shot his wife, Svetlana, four times after an altercation Saturday night.
Police say they found Svetlana Bell unresponsive on the kitchen floor, with apparent gunshot wounds to her chest area. She was transported to Danbury Hospital, where she was pronounced dead a short time later.
A message was left with a public defender representing Bell.
The Connecticut Coalition Against Domestic Violence says the killing highlights the serious problem of domestic violence in the state.