Ex-high school librarian arrested in 'cannibal cop' case 'studied disturbing S&M video to prepare for rape and murder

Prosecutors say Christopher Asch and another man, Richard Meltz of Nashua, N.H., offered to help 23-year-old Michael Van Hise rape and murder Van Hise's wife, sister-in-law and sister-in-law's kids. Asch and cohort Meltz met Van Hise on fetish site Dark Fetish, a favorite of cannibal-cop Valle.
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