I watch some of the shows on TV where they detail real crimes and how they are solved.
Two things which seem to account for most arrests now are DNA and cell phones.
There is one thing which hasn’t changed a bit and I am not even going to mention it.
They cleared the Lyft driver a couple of days ago. According to the police chief it was a digital trail that led them to this POI. He said it’s complicated. This guy hasn’t been arrested yet so they’re still looking for evidence.