Season 9, Episode 21 If I Had a Hammer
First Aired: April 23, 2009
A convicted murderer (Henry Thomas), jailed for killing an elderly man in 1991, claims that his guilty verdict was based on inaccurate evidence, false testimony and errors made by Catherine, who was working her first solo case. Catherine reinvestigates the crime and slowly sees her case unraveling.
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- Premiered: February 8, 2005
- Rating: TV-14
- Premise: Las Vegas criminologists use scientific methods to solve grisly murders in this unusually graphic (and hugely popular) drama, which inspired a host of other cop-show 'procedurals.' An immediate ratings smash for CBS, the series adroitly mixes painstaking d… (more)