Accused Clovis double killer Dave McCann pleads not guilty

FRESNO, Calif. (KFSN) -- McCann is accused of killing his wife and mother-in-law several weeks ago.

Tierney Cooper-McCann, 36, and her mother Judith Cooper were found stabbed to death in a Clovis home. Dave McCann was arrested several days later in Seaside after a manhunt that latest several days.

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