The father of the 2-year-old boy who vanished during a custodial visit last month may have told the tot’s mom at knifepoint that he threw their son into the Bronx River.

THE BRONX, N.Y. (PIX11) — The father of the 2-year-old boy feared dead was caught on surveillance video throwing a bag into the Bronx River, possibly with the child inside, according to law e… ...