Derek Chauvin did not murder George Floyd

How do I know that Minneapolis Derek Chauvin did not murder George Floyd? Don't trust me, trust Washington County prosecutor Imran Ali:

Mr Chauvin and his estranged wife, Kellie Chauvin, were each charged in Washington County on Wednesday with six counts of aiding and abetting filing false or fraudulent tax returns and three counts of aiding and abetting failing to file state tax returns.
They are accused of underreporting their joint income by $464,433 from 2014 to 2019. This includes money Mr Chauvin made doing off-duty security work and weekend shifts at a restaurant.

Let's see: over 5 years that's $90K per year underreported. Note that this is a state prosecution, not federal. For some reason the federal tax agency (IRS) is not - yet - prosecuting Mr. Chauvin and his wife, but the state feels lucky. Minnesota's state income tax peaks at 9.85% for filing jointly, so we're talking about just short of $9k per year, or $45K for the full 5 years. Federal tax rate is much higher, but presumably the IRS is very relaxed about leaving $150K of back tax on the table, they're famous for their generosity.

Digest this: the BBC is running an entire article about a Minnesota citizen being chased for $45K back taxes, plus interest. Why, exactly are they doing this?

Rampant speculation: this is part of the prosecution strategy for the murder of George Floyd. Chauvin's defense attorney has no doubt pointed out the serious problems with trying to prosecute second-degree murder and manslaughter. The prosecution can't spontaneously downgrade the charges without causing riots, so needs to come to an acceptably harsh plea bargain. What's their leverage? Now, it's potential prosecution of Chauvin and his wife for tax evasion. I have no idea if the evasion charges are justified, but it doesn't really matter. If Chauvin rolls over and agrees to a reasonably harsh charge, these tax evasion charges will be downgraded. If he holds out, they will be ramped up and the prosecution will possibly go after other members of his family or friends.

Of course I could be wrong, there may be an alternate explanation of why this is featured on the BBC. It would be nice to see some actual analysis by the BBC of stories like these, but they seem happy to uncritically report whatever their preferred client organisations tell them, rather than perform journalism.