Author Archives: csidds

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About csidds

Dr. Michael Bowers is a long time forensic consultant in the US and international court systems.

Judge hyper-sensitive to a “spot of DNA” transfer by police deemed no foul after investigation

Its just a blip of biology, according to the Scottish authorities and their reviewers. Here’s the gist of what took place but doesn’t explain why it took years to review…….is it  the prosecution looking bad? If you read the article, … Continue reading

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Bronx court sets boundaries for crime lab techs’ testimony about methods and results

For decades, a defendant’s right to confront his accuser (6th Amendment) has been extended to certain types of “accusations” from forensic testers and their opinions supporting the Prosecution’s case. This is an update based on a defense demand that all … Continue reading

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Oh dear, a defense attorney wants to use a bitemark to counter cold case DNA

A criminal defendant’s attorney says a bitemark on a victim in a 27 year old murder is not his client’s teeth mark but someone else’s. The DA wisely isn’t using any junk bitemark opinions as there is ample DNA to identify the … Continue reading

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The Fallacy of Forensic Uniqueness in Ballistics gets dented in DC

  So, here is a DC judge calling out the VERY popular bullet casing matching process promulgated by the FBI around the US for decades. The theory of a striker or a firing pin leaving a toolmark which is identifiable … Continue reading

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Houston crime lab needs to look into its bitemark experts’ current casework

The inquiry of the Texas Forensic Science Commission on bitemark evidence casework has opened a window into over 30 cases involving this debunked use of skin injuries purported to be like fingerprints. What’s unsaid are data about any current cases … Continue reading

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Typical Forensic brewhaha happening in Denmark over who is in charge of MH 17 disaster

Will wonders never cease when it come to political forensic science. It should be a topic in school. Awhile back, a forensic expert from the Russian-assisted shootdown of MH17 got canned by this Danish security minister who just got slapped … Continue reading

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Forensics : A learning point on how the Avery case shows little presumption of innocence

If the Steven Avery case(s) shows anything positive, it is the revelation how jury decisions of guilt are predominatantly preconceived before testimony ever begins. This then is reinforced as the prosecution proceeds with their evidence. https://www.washingtonpost.com/news/in-theory/wp/2016/01/19/the-presumption-of-innocence-exists-in-theory-not-reality/

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Forensics : Details of trace evidence obtained in child murder/abuse case in Canada

The only thing the defense could get in rebuttal was that the CSI tech didn’t “test” every object available at the crime scene residence. Its a hint that the CSI could have missed some exculpable evidence usable for the defense’s … Continue reading

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Forensic Bias? Did an autopsy doc get wind of a suspect’s confession now considered coerced?

The interplay of homicide death investigations conducted by medical personnel employed by the same agency investigating a suspect is fodder for doubts concerning undo influence. Its the subject of this The Intercept article just out from Jordan Smith. It is … Continue reading

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Forensics: Make sure you get all the case records and photographs before you testify

Sometimes, decisions must be made by an expert on the spur of the moment. One cannot prepare for all unexpected events. Here is an example. Nothing is more embarrassing or potentially catastrophic to any forensic expert than to find out … Continue reading

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