Related Clues:

• Blotter letters
• Rap sheet shorthand
• Alias preceder
• Rap sheet abbr.
• Police sheet letters
• Letters on a poster
• Police blotter word, perhaps
• Alias letters
• Wanted letters
• Alias, initially
• It might precede a handle
• Eminem ___ Slim Shady
• Alias initials
• Blotter notation
• Alias indicator