These clues relate to the person with the new name
HINT 01
Make sure to familiarise yourself with the suspect reports
HINT 02
The blog writer (Samuel Young), who mentions being a trucker, mentions a name change reflecting his favourite film, and that he won a game of chess for a large wager.
HINT 03
The threatening letter sent to Chris mentions the wager, as well as what his favourite film is (use the internet to check)
Still totally stuck? Here’s the answer
ANSWER
Samuel Young’s favourite film is 1982’s Poltergeist. In his blog he mentions changing his surname to match the film’s title, making his new name Samuel Poltergeist.