The incident puts him on the spotlight to the Russian Mafia, notably Nicolai Itchenko and Vladimir Pushkin. Once he learns that Teri has been beaten, he goes to the ones who committed the act and kills them. He also befriends a young girl named Teri, going to same diner that she does every day. In addition, he befriends and helps a security guard trainee named Ralph to pass his qualification exam. Living in Boston, Massachusetts, McCall works at Home Mart and aids his co-workers in any way he can.

During his career, McCall became close to the Palmer spouses, notably Susan Palmer, and later became a good friend to Dave York. McCall is widowed, having made a promise to leave his hitman life and move forward. Robert McCall is a former Marine and DIA operative who has a set of skills that earned him a reputation. in Flight, Silas Tripp in Glory, and Sam Chisolm in The Magnificent Seven. He is portrayed by Academy Award winner Denzel Washington, who also portrayed Eli in The Book of Eli, Lincoln Rhyme in The Bone Collector, John Creasy in Man on Fire, William 'Whip' Whitaker Sr. He is a former DIA operative who will aid anyone who has been antagonized, hurt, or been victimized by any means necessary. Robert 'Bob' McCall is the main protagonist of The Equalizer and its sequel.

~ Robert McCall to Dave and his men, in The Equalizer 2. So I'm a kill each and everyone of you, and the only disappointment in it for me - Is that I only get to do it once. The mistake you made was you killed my friend. But, most of the time it goes unpunished. People do bad things, your lucky you get a chance … to set it right.

The world if full … of so called men like you, and in a perfect world, everything we do come with a price. What you do and what you become is not my concern. You asked me what I saw when I looked at you. But for you, I'm going to make an exception. I promised someone I love very much that I would never go back to being that person. I've done some bad things in my life, Nicolai.

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