"We'd want to compare notes about these people and go there to look into their possible involvement in what happened here."

But he said officials would not rule out his possible involvement in the shootings.

The school became aware of his possible involvement and questioned him.

Concerns are also being raised about the possible involvement of al-Qaeda.

As a result, he was questioned several times for his possible involvement in her disappearance.

But her possible involvement is one of the things we'll be looking into.

American officials see this as circumstantial evidence of his possible involvement.

"At least they didn't say anything about Hope or her 'possible involvement in the future."

Under normal circumstances, he would have laughed any possible involvement off as space gas.

I believe that all of us would like to see the best possible public involvement in such a debate.