If the other evidence was good enough they could secure a conviction on that alone.
As the law then stood, it was easy to secure a conviction.
His team has secured convictions against over three dozen individuals since 2009.
And prosecutors have secured convictions so far in about half, the department says.
Charging murder and securing a conviction are two different things.
In simple terms, to secure a conviction against him, her story had to be believed.
The prosecutor lost the case because he didn't have sufficient evidence to secure a conviction.
But they need strong evidence to secure a conviction.
The tape was a good start, but it wasn't enough to secure a conviction, for that they'd need some real, hard forensic evidence.
Also, he appears willing to bend or break rules to secure a conviction.