Here’s the short version:

Here’s the full version:

I recommend watching the full version so you can savor the “evolution of the cop.”
When you watch it, be sure to keep in mind that 125 investigators worked on the “Bolotnaya case” (the prosecution following the 2012 Bolotnaya Square protests in Moscow), the charges included things like “grabbing a police officer by the clothing,” and the sentences handed down were as long as 4.5 years.