Alibi, in law, a defense made by the accused in a criminal case. The word alibi is Latin for “elsewhere.” The accused tries to establish that at the time the crime was committed he or she was at some place other than where it was committed.
What if your pen pal was a prison inmate? That's the idea behind a prison project designed to connect middle school students with prisoners. What influence did these pen pals have on kids?
If you need an analogy for PRISM, one apt comparison would be to HBO's show "The Wire." Just swap "U.S. government" for Baltimore police, "Internet data" for phone wiretaps, and name the target as "really anyone" instead of drug traffickers. Got it?