1.   You can tell he was a professional killer -- they always aim for the chest.

2.   Are there really any willing to work for psychologically unstable malcontents who cannot be relied upon to tell a professional killer from an undercover cop?

3.   Authorities know him as a thick-necked professional killer, a former foot soldier in the shadowy army that protects the local drug cartel.

4.   Believe it or not, this bullet-riddled film about ruthless professional killers also plasters an anti-NRA sign on a moving bus.

5.   Caskey also said the evidence indicates that the shootings were not done by a professional killer.

6.   Donald E. Westlake created a professional killer, Parker, under a pseudonym, Richard Stark, and Wignall is nearly as good as Stark.

7.   Even if the growing numbers only reflect better reporting, professional killers are increasingly a part of the public consciousness.

8.   He alleges that Cobain was the victim of a professional killer hired by his wife, the singer and actress Courtney Love.

9.   In fact she was a professional killer.

10.   It costs that much in Moscow just to pay the contact man for the professional killers.