Tests by two foreign laboratories show that Russian opposition leader Alexei Navalny was poisoned before he died in an Arctic penal colony last year, his wife said Wednesday. Russia’s prison service ...

The U.S. Department of Justice announced criminal charges against a founder of a Chicago-based COVID-19 testing lab accused of making more than $83 million in fraudulent federal health claims for ...

CHICAGO (CBS) -- Remember the pop-up COVID-19 testing centers that helped track the spread of the virus at the peak of the pandemic? Many were small businesses run by entrepreneurs without deep ...

Zishan Alvi, the co-owner of a Chicago laboratory company that operated COVID-19 testing sites during the pandemic, is facing federal charges for a scheme in which he took $83 million in government ...