And when schools tried to intervene, the solutions did not always work.

When her father tried to intervene he was shot dead.

Some social workers did try to intervene with school officials earlier this summer.

Only once on the videotape did any officer try to intervene.

No federal officials tried to intervene in the trial, however.

Trying to intervene at that point, firefighters have some new tools.

Q. Do you try to intervene in the lives of the people you're studying?

As he was being put into a police van, two other men tried to intervene and were also arrested.

They know he was trying to intervene with men who came to get another teacher.

The state is also trying to intervene more, but with the cutbacks who knows what will happen.