Video surveillance of the mistaken arrest of former tennis star James Blake shows a plainclothes police officer who has a history of excessive-force complaints tackling Blake to the ground.

Internal affairs detectives are investigating claims by former tennis professional James Blake that he was thrown to the ground and handcuffed while mistakenly being arrested Wednesday, police said.

A man, his wife and their two teenage children were shot before the million-dollar home they were renting burned down.