A Massachusetts man is accused of killing his older sister over the weekend in a case that has been described as being "very sad."

Joshua Smith, 31, has been charged with the murder of 38-year-old Michelle Knox. The Essex County District Attorney's Office announced the charge on Sunday, and although the announcement mentioned neither the suspect nor the victim's name, Smith appeared in court on Monday – with cameras rolling.

Smith was arraigned in Lynn District Court for kidnapping and murder, video from Boston Fox affiliate WFXT shows. His demeanor appeared stoic as prosecutors recounted their version of events.

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The Lynn Police Department was call

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