Well, back when that guy got canned,there was no DNA. Just "witnesses". At least DNA provides leverage but even today, something similarly scary could still happen.
-Mike
There have actually been some efforts to discount DNA evidence as "unreliable".
If you follow some of this SJW insanity - they just attack anything that challenges their *beliefs* - actual truth or science be damned.
Here's just one example (there are many many more):
Swedish professor accused of bigotry for saying men and women ‘biologically different’