Joan Picard, a 73-year-old woman, was murdered on March 6, 1980, in Oakland, California. She was one of several elderly victims targeted by David Edwin Mason, a serial killer who committed multiple murders between March and December of 1980. Mason had known Picard for several years, having done odd jobs for her in the past. On the day of the murder, he visited her home under the pretense of familiarity, but his true intention was robbery. Once inside, he brandished an ice pick and informed Picar
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