Liz, the next door neighbour who finds the body only knocks once and doesn't wait for a reply before going around to the back of the house.
When NCIS is tracing Kale to Brewer's apartment, the map displays him stopping in the 1600 block of S. Kent St. However, McGee states that the address is 109 Kent Rd (which would be in the middle of the Pentagon property).
The mapped location of Brewer's apartment is in Aurora Hills, a high-priced area of gentrified single-family homes. But when Gibbs and Fornell arrive, it's at a low-income urban apartment building.
Tony is reading a magazine and it is upside down, the bar code is on the top, the people on the cover are upside down.