hello, and a warm welcome to our viewers here in the united states and all around the world. i m paula newton. ahead here on cnn newsroom, millions of americans starting their weekend off under heat alerts. we ll tell you when people could see some relief. plus, donald trump saying it would be dangerous if he were sent to prison. this as a date is finally set for one of the trials he faces. and [ chants ] that pretty much sums it up. okay. defending champions team usa dominates its opening match at the women s world cup. we re live in sydney and new york with all the highlights. we begin this hour with the extreme weather situation that just will not quit. more than 80 million americans are still under some sort of heat alert at this hour with no major relief in sight. high temperatures of 114 to 120 degrees are expected in southern california and across into texas on saturday. el paso, texas, topped 100 degrees friday afternoon for the 36th straight day. the old
Cigarette butts that belong to suspected killers. law enforcement can also make use of genetic genealogy. earlier this year massachusetts police announced that the murder of 31-year-old pod lampley over a decade ago was solved thanks to dna found on a sweet potato. canadian police used genetic genealogy to solve a cold case nearly half a century old. dna linked the murder of a 16-year-old quebec girl to a deceased man buried over 800 miles away in west virginia. and more than 50 years after rita curran s roommate found her strangled to death in her room, vermont police identified her killer using dna found on a cigarette butt on the victim s clothing. joining me is anne-marie schubert, former sacramento county district attorney, and she also led the efforts to use dna evidence in cold cases. she is now with verogen, inc., which develops dna-based