Chicago crime: Man with Down syndrome held without bail in 2 separate murders

CHICAGO (WLS) -- A Chicago man with Down syndrome pleaded not guilty Monday as he faced charges in two separate murders.

Police said 22-year-old Nicholas Samudio shot a man to death in North Lawndale on February 16, 10 days after killing a driver on I-55.

Humberto Marin-Garcia, 28, was traveling with his pregnant wife and their two young children when their car was hit by gunfire on the Stevenson near Bridgeport.

'He wasn't breathing anymore': Man shot, killed on I-55 in Chicago with wife, children in car

His wife said she was able to stop the car then realized her husband was no longer breathing.

Samudio was arrested after the second shooting along with another man, Moses Maldonado, who was also charged with that murder.

Prosecutors have not revealed a motive in either murder. The judge ordered Samudio be held without bail.