Police released a picture of the suspect, 38-year-old Lamont Macon.
They say he broke into the apartment on Adee Avenue just before 2 a.m. Sunday and stabbed his 35-year-old ex-girlfriend, her 13-year-old daughter and her 14-year-old niece.
All three victims are in stable condition at Jacobi Hospital.
Macon is described at a black male, standing 5-foot-11 and weighing 180 pounds, with a dark complexion, black hair and brown eyes.
Anyone with information in regard to these Attempted Robberies is asked to call Crime Stoppers at 1-800-577-TIPS (8477).
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