"Isaac" redirects here. For the Eagle Scout, see Isaac Weston. For the Amish child, see Isaac Hersberger.
Isaac Bontemps
Biographical information
Full name Isaac Bontemps
Gender Male
Status Alive*
Age 45*
Nationality Flag of USA American
Residence Concordia, U.S.
New Orleans, Louisiana, U.S. (formerly)
Family Unnamed cousin
Affiliation(s) Concordian Flying Squad
Concordian Flying Squad
Rank Senior Investigator
Game information
Appears in Criminal Case
First appeared Case #2: Slash and Burn (s4)
Oh, how VERY droll, if I do say so myself...
—Isaac Bontemps

Isaac Bontemps is a main character featured in Season 4 of Criminal Case. Appearing as the Senior Investigator of the Concordian Flying Squad, he serves as a partner to the player throughout the season.


45 years of age, Isaac has graying black hair which extends to form a black mustache and black beard, as well as brown eyes. He wears a crimson-and-black suit over a white long-sleeved shirt with a blue decorated necktie. He wears a black top hat, a golden monocle over his left eye, and has a golden pocket watch. He is commonly seen holding a pipe.

While Isaac is sarcastic and keenly observant and analytical, he is also tactless and socially awkward. He likes collecting pipes. He is also a competitive chess player and has a fine appreciation for gourmet food. According to Maddie, he has seasickness and has a fear of horses, which he would later overcome during an investigation. As of his first quasi-suspect appearance, it is known that Isaac is superstitious and was raised in New Orleans with his cousin. Per his conversation with Viola in Little Murder on the Prairie, Isaac suspects that he has an intolerance to dairy.

Height 5'8"
Age 45
Weight 176 lbs
Eyes black
Blood O+

Events of Criminal Case


After arresting Casper Rove's killer, the creator of the Chessmaton, Celine Georges, approached the player with a request to Isaac. Since Casper was killed she had not been able to find a chess player equal to his skill, and Celine did not want to play against it herself out of risk of being accused of trickery. She did hear from Casper that Isaac was skilled at chess, so she wondered if he would be willing to play the Chessmaton in Casper's place. Though Isaac had his doubts and was nervous, he said he needed his good luck charm first, but he lost it at the exhibition entrance. He and the player went to search it there, and they managed to find it. After finding it, Isaac felt confident enough to face the Chessmaton, for Casper and the dignity of chess. In the end, Isaac managed to win the chess match against the Chessmaton.

Get Off Your High Horse

After arresting Anna Jewell's killer, Isaac decided to get over his fear of horses. He then went to the stables with the player to ask Rahul Shah how he could overcome his fear. Rahul suggested that if he learned how to ride a horse, he might overcome his fear, before suggesting a pony called Crazy Eyes for him to ride. After Isaac and the player found some horse blinders, Rahul started to teach Isaac how to ride a horse. Two hours later, Isaac successfully tamed the pony and finally overcame his equinophobia.

Graveyard Shift

After arresting Edgar Woe's killer, Diego and the player helped Isaac get a costume for his date with Marla de Paradis to the vampire ball.


The player may choose Isaac to join the investigation of each crime scene (in any Mysteries of the Past case he teams up with the player) and provide hint bonuses. He is available as a 1-hint partner.


  • Isaac is one of the characters who animate (or move) during at least one cutscene in the game.

Case appearances




Promotional stills


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