"It's a critical piece of evidence," said an attorney for Bryce Dion's family. "The videos don't lie."
The jury will decide whether Cosby, 80, is guilty of three counts of aggravated assault.
A 72-year-old man named Joseph James DeAngelo, who appears to fit the description of the elusive California killer, was arrested overnight, sources say.
Peter Madsen said the reporter died accidentally inside his self-made submarine, but confessed to cutting up her body.
2017 was "historically the best year for Cuba," according to its Tourism Ministry, but the steep decline in U.S. travelers is affecting the island.