Chicago police are searching for a man suspected of killing an Austin mother of two who had obtained an order of protection against him weeks before her death, according to family members and court records.

       Maria Roque, 34, was shot to death Dec. 13 in the 500 block of North Long Avenue in the Austin neighborhood. The Cook County medical examiner’s office ruled her death a homicide.

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       On Friday, police released a bulletin seeking information on the whereabouts of Kenneth Brown, 44, in connection with the shooting. Officials said the public should consider Brown armed and dangerous.