investigated by nbc affiliate kprc tv. case, ruben had become the center of a scandal. >> a controversy is going tonight over a document falsified by a harris county detective now working for the district attorney's office. >> the detective got himself into serious trouble for falsifying a search warrant in a case not connected to sandra 's. and that cast a shadow on his other investigations. >> that became a really big issue for the prosecution. and something that the defense would be able to definitely use against them. >> after the story broke, the detective left the sheriff's department. would a and the case against sandra, to? did your lawyers tell you this thing may never go to chart a trial? this thing has got so many holes in it? >> that's what we believed. absolutely. >> by the summer of 2017, it had been three years since sanders arrest. she had a right to a speedy trial. it was put up or shut up time for the da's office. when you read all your stuff you, step back, you said, what do i have here? what was the big