Christian Muller was found guilty Monday of two counts of murder, armed assault with intent to murder and other charges after about six hours of deliberations.
Authorities say the 30-year-old Muller killed Aaron Bash and Denise Johnston with bullets to the head during the home invasion in Dudley in July 2007. Bash’s sister, Joanne Mercier, survived a gunshot wound to the head.
The Telegram & Gazette reports that Muller’s lawyer said his client was suffering from mental illness and a crack cocaine addiction at the time of the slayings and lacked criminal responsibility.
Muller is scheduled to be sentenced Friday.
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