A stranger stabbed a 55-year-old woman from behind in an unprovoked ... The still-at-large attacker is seen walking with a cane in surveillance images released Thursday afternoon.

She covers human interest, health, crime and politics for PEOPLE. Jessica Slaughter ... At 70 years old and 245 lbs., she was walking with a cane, and her doctor told her she would soon need ...

The 71-year-old victim also was beaten with his walking cane while the suspects robbed him, according to the Tarrant County ...