News reports describe it as a classic left-cross (northbound driver makes a left at intersection; colliding with southbound cyclist).
abc15.com: CAREFREE – A 48-year-old man lost his life Friday night after being struck by a car in Carefree. Maricopa County Sheriff’s Office spokesman Chris Hegstrom said the accident happened around 5:30 p.m. near Cave Creek and New River Roads. Hegstrom said a 17-year-old driver of a Subaru was traveling north on Cave Creek Road when he turned left on New River Road and collided with Darrin Conrad who was riding a motorized bicycle.
azcentral.com: Darrin Conrad was riding his bike south on Cave Creek Road near New River Road when he was struck by a Subaru driven by the teenager, who had been trying to negotiate a turn, said Chris Hegstrom, a spokesman for the Maricopa County Sheriff’s office…
Note that motorized bicycles don’t “count” in bicyclist traffic safety statistics.
A bad left (28-772) is a 28-672 enabler — that is to say, if the driver made a bad left, he should be charged with 28-672, “Causing serious physical injury or death by a moving violation”, a misdemeanor, in connection with the incident.