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Category: Evidence

404(b) Evidence: How Much Is Too Much?

The state supreme court recently reversed a death sentence and a first-degree murder conviction because the State presented “an excessive amount” of otherwise admissible Rule 404(b) evidence. How much is too much?

Authenticating Social Media Evidence

One of my all-time favorite emails was received from a prosecutor who was handling a drug trafficking case. The email included a picture, plucked from what purported to be the defendant’s Facebook page, showing the defendant sitting on a pile of cash (later determined to be $1.6 million!), holding an AK-47. Jeff has written (here) about authenticating photographs from social media sites. But what of the other evidence that is mined from social media—how is that authenticated? A recent Second Circuit case adheres to the line that the relevant standard isn’t particularly high but finds that the prosecution didn’t meet it in this case.

Authentication and GPS Tracking

I’ve had more and more questions about introducing GPS tracking data in criminal trials. When I think about digital evidence, I think about authentication as the first hurdle. This post […]