"WASHINGTON--The FBI is pressing Internet service providers to record which Web sites customers visit and retain those logs for two years, a requirement that law enforcement believes could help it in investigations of child pornography and other serious crimes." (more)
Familial DNA
"When police search a DNA database, they're usually looking for the person who left behind the blood or semen at a crime scene. But there's another technique, where they can search for people who ALMOST match the DNA sample -- namely, the suspect's family. Once they find a near match, investigators can start looking at that person's relatives as possible suspects in the crime." (more)