The Killing Zone 2003 on netflix

Killing Zone is the story of an affluent Harlem psychiatrist living an unexamined life until his adoptive father- a doctor who plucked him from a Nigerian refugee camp as a child – is gunned down by an eleven-year-old in Brooklyn. In an instant, everything he’s absorbed in twent years in America is thrown into question, and his search for the boy resurrects memories of his own buried past.