second-degree murder

Buffalo mass shooting suspect pleads not guilty

Gendron shot, killed 10 people at a Buffalo supermarket

Originally Published: 02 JUN 22 10:03 ET Updated: 02 JUN 22 15:55 ET By Mark Morales and Kristina Sgueglia, CNN (CNN) -- The 18-year-old suspect in the Buffalo, New York, supermarket shooting that killed 10 people pleaded not guilty to…