While running blood analysis in Abby's lab, Special Agent Ellie Bishop says that former Army Specialist Kent Marshall was dishonorably discharged in 2008. Moments later, while in Director Vance's office, Bishop explains these findings to Gibbs and Vance but says that Kent Marshall was dishonorably discharged in 2010. Oops.
When Gibbs, Bishop and Torres go to the apartment of the shooter they find and examine a folder that suggests Abby was targeted. None of the three agents are wearing latex gloves so they would be contaminating evidence.
Despite Bishops oft declared love for them, ketchup and prawn crisps do not exist in the UK.
I think they are referring to prawn cocktail flavour (which is sometimes made by mixing ketchup and mayonnaise), or they could have mixed up Ketchup flavour crisps and one of the various King prawn flavours that do exist.
Abby tells Torres that she has the IP (Internet Protocol) address from the bogus email and then says if the user appears on a WiFi anywhere in the area she could find them. The IP address is unique to the WiFi/Internet provider and usually randomly assigned, while the MAC (Media Access Control) address of the machine is unique to it. What this means is that if the user was at a restaurant using their WiFi, it would show as the IP address from the restaurant. If they later went to a bookstore and used the WiFi there it would be a different IP address. To recognize the same computer, the restaurant or bookstore's WiFi log would have to be reviewed and the MAC addresses compared. As such, Abby could not have located the computer and suspect as was shown.
When Abby mentions the antidote for cyanide poisoning, she says "hydrocobalamine", when the actual substance is hydroxocobalamine or hydroxycobalamine (aka Vitamin B12a).