Norman Singleton is a character in NBC's The Blacklist.
Background
Season 5
”The Informant”
”Abraham Stern”
”The Invisible Hand”
”Mr. Raleigh Sinclair III”
Singleton finds out the truth of Liz's plans to find Tom's killers and convinces her to let him help out. This leads to her taking him to the Post office where he meets the Reddington Task Force.