The prisoner is identified as having killed an Assistant U.S. Attorney and is shown in a Bureau of Prisons (BOP) jumpsuit in a Los Angeles Federal Prison. Later in the show, the agents are calling the Governor to get a stay of execution. The Governor of California would have no say in a Federal prisoner's execution. Additionally, the LAPD would not have investigated the crime to any extent since it was a Federal crime.
Don refers to 48 'markers' [i.e. chromosomes] for the convicts genes.
Normal number is 46.
A fairly rare condition is 48XXYY but VERY doubtful would even know about this let alone for this convict.
At roughly 1 minute and 20 seconds in, there's a close up shot of a newspaper in which one of the paragraphs visible to the camera consists entirely of the same sentence being repeated multiple times: "Henley was put to death by lethal injection early Wednesday after exhausting all legal appeals a few hours before the execution." Furthermore, there is a typo in the first instance of the sentence, where "appeals" appears as "peals".