High tech forensics: Investigators are always on the cutting edge of new forensic techniques that can help them solve cases more accurately. An experimental "brain fingerprinting" technique has already won the acquittal of a police officer accused of a drug charge. Solving crimes by computer and robotic police offers provide investigators allow crime-solving to take on a new-age dimension, and provide safer and more efficient ways to capture an embezzler, a drug-dealer or a killer.