Abstract: Photoplethysmographic sensors represent a promising wearable technology as combines its advantages in costs and weight with a wide variety of cardiovascular parameters which can be detected.

CHICAGO (AP) — A judge’s blistering 223-page opinion has offered a cache of striking new details from body camera footage about agents’ use of force during a federal immigration crackdown in the ...

U.S. District Judge Sara Ellis' opinion issued Thursday recounts many high-profile clashes between federal agents and protesters, repeatedly using body camera footage to refute the federal ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. U.S. District Judge Sara Ellis' opinion issued Thursday recounts many high-profile clashes ...