If you watch crime drama then, by this time of the year, you are counting on that program to offer the following list of criteria.
Cell phone or beeper
Phone Logs or voice mail
Credit card charges
Time of death
Finger print match
Stomach food contents
Some lame interaction between characters
Interview in a police like room
Are there more? What are they?
Don't believe it? Print and mark. Just watch out your DNA doesn't get on your pencil or the 'copper will nab ya'.