You are using an older browser version. Please use a supported version for the best MSN experience.

Analyzing pulmonologist's testimony on how George Floyd was trying to breath

As the trial of former Minneapolis police officer Derek Chauvin continues, NBC News' Gabe Gutierrez breaks down the testimony from medical witness, Dr. Martin Tobin, a pulmonologist who explained how to tell George Floyd was losing oxygen based on his movements.

UP NEXT

UP NEXT

More From MSNBC

More From MSNBC

image beaconimage beaconimage beacon