Guessing the Cessna was inbound and the heli was student/pilot outbound (flying patterns).
Probably one of the R22's on this list: https://flightaware.com/live/airport/KCHD
Just In: A man wanted for double homicide in Phoenix has been extradited back to U.S. from Mexico.
https://twitter.com/azfamily/status/1443953348235902983