Now we move onto the 5 best unlocks, these are the tools of the hitman trade which make your assassinations easier.
Whenever you start a mission, or pick these bad boys up from an agency pick-up, you get a total of three. You can then throw them at various targets, killing them instantly. Best part, you can then pick them back up!
They can also be used as distractions. Throw one near a guard, he will investigate the noise, then use the second one for an easy kill! Oh, and don't forget to pick them up!