waiving extradition. his family in the courtroom and the new body cam. the suspect s brush with police as he and his father drove across country two weeks before his arrest. severe weather on the move. reports of more tornadoes in the south. in the midwest heavy snowfall creating danger on the roads. we re tracking it. the former crypto mogul pleading not guilty to fraud charges. when he is set to stand trial. and reports of children eating marijuana edibles soaring more than 1,000%. the warning tonight for parents. announcer: this is nbc nightly news with lester holt. good evening, everyone. in a sport known for its danger and high risk, there is hardly anything that can compare to the horror and crushing sadness of the moment that played out on the field of cincinnati s paycor stadium last night. with millions of viewers watching, buffalo bills safety damar hamlin collapsing on the field at the end of a play after suffering cardiac arrest. medical teams rushed t
he believes he is going to be exonerated. that s what he believes. those were his words, so he s really been very easy to talk to, actually. and he s in a calm demeanor. reporter: kohberger grew up in eastern pennsylvania graduating last year from esales university with a master in criminal justice. today heavy security, state and local police surrounded the small county courthouse. two law enforcement sources tell nbc news forensic genealogy, the dna of extended family members played a role in his arrest. kohberger was studying to get his doctorate in criminology from washington state just 15 minutes from the crime scene. he drove cross-country with his father in december in the white hyundai elantra authorities had been looking for. body cam footage obtained by nbc news shows indiana state troopers pulling the father and son over on the highway, kohberger s attorney says they were stopped twice on that trip for speeding and tailgating. i believe it to be a random coincidence.