The silencer was attached to the gun to muffle the sound of the shots.
The assassin used a silencer on his weapon to carry out the hit discreetly.
The silencer was found at the scene of the crime, indicating a planned and calculated attack.
The use of a silencer on the firearm allowed the operation to be carried out with stealth and precision.
The silencer on the gun suggested that the murder was premeditated and executed quietly.