Saldırgan bir maske takıyordu. - The assailant was wearing a mask.
Dan karısını öldürdü ve bunu bilinmeyen bir saldırganın işi olarak gösterdi. - Dan killed his wife and made it appear as the work of an unknown assailant.
If you are assailed by something unpleasant such as fears or problems, you are greatly troubled by a large number of them. She is assailed by self-doubt and emotional insecurity. = beset
To attack morally, or with a view to produce changes in the feelings, character, conduct, existing usages, institutions; to attack by words, hostile influence, etc
launch an attack or assault on; begin hostilities or start warfare with; "Hitler attacked Poland on September 1, 1939 and started World War II"; "Serbian forces assailed Bosnian towns all week"