1.   How dared he act as though she were the guilty party?

2.   Say they believed they had the guilty parties.

3.   The rest of the audience cranes its collective neck to spot the guilty party.

4.   We think we know who the guilty party is, but we need your help to find the evidence.

5.   It has to be proved that they are the guilty party.

6.   All the signs point to him as the guilty party.

7.   The Justice Department could not ask for damages or seek penalties against the guilty parties.

8.   They are to investigate crimes, prevent them from being carried out, discover the guilty parties and take any further steps necessary to uphold the law.