Answer:
it takes a lot of training
Explanation:
 
        
             
        
        
        
Answer:
Depends on what people think this is an opinionated question but here is what I thinks:
Explanation:
Not very often; as of 2020 with the murder of George Floyd people are way more decisive on police officers and how they do there job. This does not happen often. Up to many times of people saying corruption and police brutality there has been proof of someone handeling a gun, not co-operating, or being a threat. Im not saying it does ot happen but we need to look deeper than what we see and think.
 
        
             
        
        
        
Lara used ninhydrin. Ninhydrin is generally applied with a spray bottle, and will work with the amino acids within the evidence to produce a purple-effect. This is also known as Ruhemann’s Purple.
        
             
        
        
        
1. Accord and satisfaction
That’s the only one I will answer but I hoped it helped a little