Timeline: Medford pharmacy killings

Key dates and events surrounding the Medford pharmacy slaying in which two employees and two patrons were killed on Father's Day, June 19, 2011.

Jan. 12, 2011

Cop warns of guns

Detectives investigate David Laffer for using a bank card to steal money from his mother's account. After interviewing Laffer, Det. Kenneth Ripp urges the pistol bureau to take away his guns.

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