When Eric shows the ID of the victims from Equatorial Guinea, the word "equatorial" is misspelt as "equitorial".
You can't kill someone by hitting them with 2 AA batteries. Even with the extra power from wrapping them in a bandana.
Much is made of the pattern on Nate's suit, however, what he is wearing cannot, in any way be described as houndstooth.
Hounds tooth is a tesselated pattern of what can best be described as arrow heads with arms (and takes its name from the jaggedness of its shape) forming a diagonal pattern, alternating dark and light.
What Nate was wearing had a clear pattern of precise squares. It could have been a fine chequered pattern (which would make it plaid in the US), but actually appears to be a waffle pattern.