Maitland?
To prove him innocent
the evidence had not changed
The actual evidence they could use in a court - yes. They saw that El Coco creature and that was the evidence that changed. The cops "readjusted" the evidence and then re-opened the case.
El Coco was killed. What were they going to investigate?
Watch the last episode again....should come to you.
the only reason was to make the widow feel good.
...and maybe defuse her lawsuits.