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Houston crime lab tech lied & tampered with evidence

Many more details have emerged about Houston Crime Lab technician Peter Lentz, who resigned after an internal investigation uncovered evidence of improper procedures, lying and tampering with official records.  This undoubtedly hurts the credibility of the well oiled conviction factory in Harris County, of which the crime lab plays a fundamental role.

Lentz worked on over 185 cases, including 51 homicides.  Apparently, giving the prosecutors the evidence they wanted was his only priority forensic_scienceregardless of whether that meant putting innocent people behind bars and potentially sending them to their death.

Lentz worked for the lab from January 2012 until he resigned in March 2014. He said the department investigated Lentz and forwarded the findings to the district attorney’s office. He said the department would not release any further information about the allegations against Lentz or comment on the situation.

I harken back to my earlier post about HPD – where HPD failed to investigate 20,000 crimes with workable leads.  Harris County prosecutors have identified over two dozen cases now in jeopardy because of this one analyst.

In 2002, forensic testing at the lab was temporarily suspended because of a number of serious management, employee and structural problems, including a leaky roof that for years dripped water on stored evidence. There was also a backlog of untested rape kits, which at one point totaled 6,600, and persisted until August 2013 when the work was outsourced.

Obviously this is an extremely serious issue.  This calls into question not only the veracity of the evidence the lab submits as evidence, but raises bigger questions about the pervasive mismanagement of HPD as a whole.

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4 Responses so far.

  1. Dac says:

    Isn’t this the ultimate fear of the “common” man– that people whose opinions on evidence control the FATE of guilt or innocence. nOTHING could be more SCARY! This is the type of criminal that DA’s should make an example of– THROW THE BOOK AT THEM!

    • tristanlegrande says:

      I agree. I am surprised this was not bigger news. People almost seem to accept that this is going on.

  2. Mary says:

    You guys are all dead wrong. A person was made a scapegoat at his job and you all fell for it instead of asking the more important question: what did he know and why were his bosses trying to destroy his credibility? You’re all idiots who jump the gun without facts. The grand jury found him innocent so chew on that you assholes.

    • Grand juries do not find people innocent. A grand jury reviews the evidence presented to them and determines whether or not there is probable cause to believe they committed the crime alleged. Simply because he was not indicted does not mean he did not lie and tamper with evidence.
      Lentz admitted he botched lab tests and recorded false conclusions. Then he resigned. Am i missing something?

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