"The unnamed-lover theory has been floated so often that defense lawyers have a derisive term for it: 'the unindicted co-­ejaculator.'"

It was also unsuccessful in a great many of those cases.

Prosecutors don't determine whether you're guilty or not -- the issue isn't what they say, but whether juries believe them.

The article was about how prosecutors are very unwilling to accept DNA evidence, not about systematic problems with its interpretation.