How a dating app meetup led to alleged murder, arson and 2 more deaths

Victor Serriteno allegedly killed Priscilla Castro and started the Markley Fire.

On Aug. 16, 2020, Priscilla Castro, a 32-year-old from Vallejo, California, headed to nearby Vacaville for a first date with a man she met on a dating app, according to police. She was never seen again, Vacaville police said. Now her date, who was charged with murder, is also accused of setting a wildfire to cover up the crime -- which ignited a massive blaze that claimed two more lives, officials said. Here's how the alleged crimes unfolded