Colorado skier tracks down alleged hit-and-run snowboarder on social media, sues over catastrophic injuries

A skier in Colorado was night skiing after the National Weather Service described the area as hazardous for travel. See the adventure seeker weave in and out among the trees.

A snowboarder who fled after allegedly plowing into an Aspen skier and leaving her crumpled in the snow before months of physical therapy, was identified using his social media presence and distinctive gear, according to a lawsuit. 

Anne Cassidy, a mother of four and an "expert skier" familiar with Aspen Mountain, said she was chatting in plain sight on her skis with a friend beside the unloading area of the Gent's Ridge Lift Feb. 24. Unbeknownst to them, a snowboarder offloading from a nearby gondola was careening toward them. 

Without warning, the snowboarder, who Fox News Digital has elected not to name because he is not facing criminal charges, "slammed into Ms. Cassidy, clipping her from behind," the lawsuit states.

"Ms. Cassidy, who was in shock, felt twisting in her knees and sudden and extreme pain in her legs," the suit, filed in Pitkin County District Court this month, states. "Ms. Cassidy’s knees crumbled like a lawn chair."

FATAL WYOMING SKIING COLLISION THAT KILLED LEGENDARY OUTDOORSMAN RULED A 'HOMICIDE': CORONER

A photo taken by a good Samaritan Feb. 24 after Anne Cassidy was allegedly slammed into by this snowboarder. Photos taken by another skier who gave chase after the snowboarder didn't stop were integral to identifying the mystery runaway rider. (Provided by Michael Fox)

According to the lawsuit, the snowboarder "saw Cassidy writhing on the ground in pain and decided to flee ... regained his balance on his board and quickly started riding away."

The snowboarder is accused of riding about 40 yards down the hill to a group of