Related Clues:

• ID factor
• Form of evidence, these days
• Bar topic
• Lemon ___
• High-tech ID
• Perry Mason's field
• House work
• Gene's ID
• Genetic carrier
• Order precursor
• Geneticist's abbr.
• Barrister's practice
• 'CSI evidence'
• Ally McBeal's field
• Modern forensic tool