Trivia: None of the Angels carry or use guns in this sequel because actress Drew Barrymore is a known gun control advocate.

Trivia: Mary Kate and Ashley Olsen have uncredited cameos in the scene where Drew Barrymore imagines herself with replacement Angels. (00:27:20)
Trivia: When Demi Moore shoots the speaker box, the portraits seen behind her are of previous Angels from the TV series. (01:19:25)
Trivia: The actress who plays Kelly Garrett is one of the original Angels from the television series, Jaclyn Smith. (01:12:45)
Trivia: In the credits at the end of the film, watch through the out-takes until it comes to the one of Lucy Liu saying, "I think we should get to the lab and analyse it right away." Look at the credits at the right hand side. The second paragraph says- Madison's Minions: Russel Bobbit, Charles Townsend and Al Kahn. Charles Townsend one of Madison Lee's minions? Looks like Charlies swapped sides on the angels.
Trivia: Lucy Liu's house also appears in The Big Lebowski as the porn man's home.
Trivia: The song that is playing while angels are going into the crime scene is The Who's "Who Are You," which is also the theme song for the TV show "CSI: Crime Scene Investigation." (00:19:20)
Answer: It is making fun of the show CSI. Even still, there are ways of telling if someone had a knee problem by the way they walk and put pressure on the foot. Being able to tell if it was a torn tendon, I don't think so. Check out the way people run and you can tell if they have hurt something in the past because of which leg they favor.