1.   Officers even knocked his daughter unconscious when she tried to intervene in the fracas, Poole said.

2.   Officers knocked on the door that night and left after getting no answer or spotting anything suspicious, Wisner said.

3.   An officer knocked on the door, told McArthur about the accusation and requested permission to search.

4.   An officer knocked on the door, and McArthur came outside, denied he had drugs and told police they could not search without a warrant.

5.   Officers knocked some people the ground and beat others back with their batons.

6.   Officers knocked some people to the ground and beat others back with batons.

7.   The fifth was well-known consumer advocate David Horowitz, who said officers knocked him to the ground.

8.   When the robber leveled his gun at the officer, Paine hit him again and the officer knocked away the gun.

9.   She said the officer knocked her belongings from her hand and threatened to knock here to the ground and she tried to pick them up.