Sean Farrell, of Medford, charged with second-degree murder in death of his mother Bonnie Farrell-Connolly
Police have arrested a Medford man for allegedly killing his mother.
Sean Farrell, 24, was arraigned in court this afternoon. He's charged with second-degree murder.
A special prosecutor accused the suspect of killing Bonnie Farrell-Connolly on Dec. 9 by hitting her in the head several times with an ax. The prosecutor said Farrell checked himself into Bellevue Hospital afterward.