Examples of mental manipulation

In a bar, the Haitian blocks most of Matt's telepathy.
(One Giant Leap)

In a Company medical facility, Matt is unable to read Mr. Bennet's or the Haitian's thoughts...

...and the Haitian goes deep and cleans out Matt's memory.
(Collision)

The Haitian erases Brody Mitchum's memory.
(Hiros)

At FBI headquarters, Ted explains to Matt that he lost a part of his memory.
(Seven Minutes to Midnight)

Sylar is unable to use his powers, and the Haitian finishes him off.

The Haitian is able to entirely block the effect of Eden's power of persuasion.
(Six Months Ago)

At the Odessa Police Department, the Haitian elusively blocks Matt's telepathic power.
(Fallout)

The Haitian tells Claire that he erased parts of Zach's and Lyle's memories. He also mentions that he has erased Sandra's memories "so many times".
(Fallout)

After delivering news of Eden's death to Eden's deadbeat father, Mr. Bennet tells the Haitian, "Don't erase everything. Leave the guilt."
(Fathers & Daughters)

At Primatech Paper Co., the Haitian completely prevents Matt from being able to listen in on Mr. Bennet's thoughts. (Godsend)

The Haitian places his fingertips on Sandra Bennet's forehead and removes memories.
(Distractions)

In 1992, a young Haitian is called upon to erase Sandra's mind after finding her husband's gun and sedation kit.
(Company Man)

So Claire won't be found, Mr. Bennet asks the Haitian to erase his memories.
(Company Man)

Bennet has the foresight to write himself an important note, and counter his memory loss.
(Parasite)

The Haitian erases Matt's memories.
(It Takes a Village, Part 1)

The Haitian prevents his father from being able to use his power.
(It Takes a Village, Part 1)

Guillame's power fades away, and soon after...

...the Haitian accidentally erases the memories of all the villagers, leaving them as zombie-like creatures.
(It Takes a Village, Part 2)

The Haitian doesn't understand why his people are acting lifeless.
(It Takes a Village, Part 3)

Believing he is at death's doorstep, the Haitian reaches out to touch his father...

...and sees his father's memories and for the first time, views his idol as a human being.
(It Takes a Village, Part 4)

The Haitian sketches an image of grub worms being plucked from a man's mind to describe his power.
(It Takes a Village, Part 4)

The Haitian removes some of Ivan's memories of his wife.
(The Line)

The Haitian negates Peter's telekinetic powers...

...and then removes his identity and his memories of the Kirby Plaza incident.
(Four Months Ago...)

The Haitian makes a young West forget that he ever met Claire at Primatech Paper Co.
(Special)

The Haitian removes Elle's memory of Claire.
(Elle's First Assignment, Part 2)

Marcus doesn't remember Noah, and Noah narrates that Marcus's memory loss is a result of "unnatural causes."
(Normal Lives)

After Piper regains an erased memory of her sister from a dream...

...Piper's mom phones Noah Bennet about Piper's delusions recurring. Noah says he and the Haitian will be right over.
(Different and the Same)

Bob has The Haitian remove Donna Dunlap's memory of meeting Bennet.
(Donna's Big Date, Part 2)

The Haitian erases the teleporter's girlfriend's memory.
(Faces, Part 2)