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For the first time, federal, state and local law enforcement officials are saying bill and

Lorraine courier of Essex Vermont were forcibly abducted from their home in June of 2011 and murdered shortly thereafter.

The quiet couple's disappearance had baffled detectives for 13 months, but they say new information has them convinced the killings were completely random.

There is nothing the couriers did in their personal lives that contributed to their deaths.

Furthermore, prosecutors say they have a suspect in the case already locked up in an out-of-state jail on unrelated charges, but they would not identify the alleged killer or answer seemingly any questions about the case.

No comment. I'm not going to comment. I can't talk about that. I can't comment on that. I can't say that either. I know you'll hit this answer, but I can't tell you.

A prime reason for the stingy release of information may be that the suspect has not yet been charged in the courier's deaths.

And the most critical pieces of potential evidence their bodies have never been found.

Despite what investigators now call the largest search in Vermont's history, 11 weeks in a sprawling Coventry landfill probing 10,000 tons of trash.

The success of these searches is very limited, approximately 10%.

As they have before, police and prosecutors again Friday suggested their case could be put at risk of falling apart if they said too much publicly, including releasing info on the suspect.

I asked that please be patient with what we're trying to do. We are doing the right thing. We're striving for justice and its entirety.

No word on a possible arrangement for the suspect. Meanwhile, the courier's relatives released a written statement saying in part, we asked that all of you respond to this random act of violence with daily random acts of kindness.

In Colchester, Jack Thurston, News Channel 5.

This is True Crime Bullshit. I'm your host, Josh Hallmark. And this is a serialized story of Israel Keys.

As FBI field agents and search teams continue searching the Coventry landfill for the courier's remains.

Special agents Feldes and Gaudin continued negotiating with Keys for more details on his other crimes.

Israel's biggest fear about sharing details was the involvement of other jurisdictions.

And his continued desire to discuss how the couriers and other cases were connected to the Samanthiconic case, a case the FBI couldn't discuss without the presence of Israel's attorney, who Israel refused to work with, put the negotiations at an impasse.

There was something there that he casually said often, which investigators never pressed him on, that all of his murders were connected.

It's something I've thought about a lot. Whenever I've looked at his known crimes or disappearances that could be linked to him, I've always had it in the back of my mind.

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