What prosecutors must prove and what the jury will deliberate From CNN's Maureen Chowdhury Following the closing arguments, the jury must deliberate whether or not the prosecution "proved beyond a reasonable doubt" that former Minneapolis police officer Derek Chauvin is guilty of three charges. Here's a look at what prosecutors must prove for each charge: Second-degree unintentional murder There is no need to prove intent to kill, just intent to act. If convicted, he could face up to 40 years in prison. Third-degree murder Prosecutors must prove Chauvin committed a reckless act that is "eminently dangerous" to others with "depraved mind."