1.   Bigley was named the prime suspect in the murder.

2.   Having met him, Dexter was convinced Lancaster was their prime suspect.

3.   He was named as the prime suspect in the murder investigation.

4.   It was only later that smoking was seen to be the prime suspect.

5.   Only interviews with the prime suspects could enlighten us now but, instead, they served to confuse still further.

6.   The FBI regarded him as its prime suspect in the case.

7.   The prime suspect was Vic, though how would he know Mungo was in here?

8.   Toxic substances and nutrients were the prime suspects along with the well-known recidivist, sedimentation.

9.   The police will see me as the prime suspect!

10.   The police have not yet named the prime suspect in the murder investigation.