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Articles by Dale Chappell

Makers of DNA Analytic STRmix Announce New Enhancement Allowing Better, Faster DNA Searches

by Dale Chappell

Makers of the ground-breaking DNA analyzing program STRmix have announced an addition to that program that will allow more robust DNA searches and analysis in criminal cases.

It’s called DBLR (database likelihood ratios), and it’s used in conjunction with STRmix to calculate millions of DNA comparisons in ...

LAPD Finally Admits to Using Controversial Facial Recognition Software, After Denying it for 10 Years

by Dale Chappell

The Los Angeles Police Department (“LAPD”) denied for over a decade that it used facial recognition software. It even boldly said it never used facial recognition when responding to public records requests for data on facial recognition use. “We actually do not use facial recognition in the ...

Tenth Circuit: District Court’s Failure to Justify Special Condition Was Plain Error

Ninth Circuit Reiterates Presumption of Innocence Remains Until Conviction, Grants Habeas Relief

The case began in a California superior court in 2012, where Keith Ford stood trial for the ...

Pennsylvania Supreme Court: No Probable Cause to Search Cellphones Merely Possessed in Proximity to Drugs and Guns

This case of first impression came ...

Third Circuit: No Categorical Ban on Reliability of Recantations as New Evidence

Sixth Circuit: Savings Clause Available for Retroactive Case of Statutory Interpretation Decided While § 2255 Motion on Appeal

First Step Act Relief Shows Modest Results

As expected, the largest group ...

EFF Compiles Data on Surveillance Operations on Citizens Across the Nation

by Dale Chappell

The Electronic Frontier Foundation (“EFF”) released a new report in November 2020 on the variety of ways that law enforcement agencies spy on the general public. Called Real-Time Crime Centers (“RTCC”), police and other agencies can monitor all sorts of data collected from surveillance of citizens.

While ...

STRmix, a Mixed DNA Separating Technique, Proves its Worth in Criminal Cases

by Dale Chappell

Since being introduced in 2012, a technique for separating mixed DNA evidence called STRmix has been used in at least 220,000 cases worldwide.

STRmix is sophisticated forensic software that resolves DNA samples mixed with multiple donors. It allows users to set the number of contributors to the ...

 

 

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