For most of these, I still don't understand why they didn't call in a tip anonymously. Can anyone confirm if Crime Stoppers works as advertised in terms of anonymity? I can see not wanting your name associated with this, not wanting to have to testify at a trial, etc. But I thought that you could completely anonymously report if you had seen something. Is that wrong? Can you be made to testify anyway, if the entire case hinges on your statement? I feel like it's important for the public to understand their options and exposure here, since many of us (including me) are claiming that we would probably have gone to the police, and trying to understand why someone didn't.
If this person was identified by IY at the gas station (and even threatened directly and told not to go to police) then I'm surprised they gave a statement even when questioned by police. If I had been there and IY had, for example, stolen my driver's license and told me that if I spoke to the cops he would murder me and my family - I can see that I would be terrified to come forward. But then when asked by police, I would probably continue to insist that I hadn't seen anything. No reward amount would make me not fear this man if he knew that I had seen him do this.