Investigator

Authorities believe Larry Sr. 's cell phone could provide critical clues in the case, so they get a search warrant and seize it.

Authorities believe Larry Sr. 's cell phone could provide critical clues in the case, so they get a search warrant and seize it.

I'm John Carter. I'm a criminal investigator with the High Tech Crime Unit out of the Vanderburgh County Prosecutor's Office. In early 2021, we were provided with a device that belonged to Larry Richmond Sr. But there's a big problem here. Police don't have the passcode to get into his phone. In this particular case, we applied the algorithm to the phone.

I'm John Carter. I'm a criminal investigator with the High Tech Crime Unit out of the Vanderburgh County Prosecutor's Office. In early 2021, we were provided with a device that belonged to Larry Richmond Sr. But there's a big problem here. Police don't have the passcode to get into his phone. In this particular case, we applied the algorithm to the phone.

The computers will literally run every possibility of passwords you can imagine. That takes a long time.

The computers will literally run every possibility of passwords you can imagine. That takes a long time.

In this case, it takes months. But then they hit pay dirt.

In this case, it takes months. But then they hit pay dirt.

One day we came in and a potential passcode had been found. I was calling everybody from the Evansville Police Department, letting them know that we had found the passcode to the phone.

One day we came in and a potential passcode had been found. I was calling everybody from the Evansville Police Department, letting them know that we had found the passcode to the phone.

We were able to see his location data that put him near the scene of the crime at approximately 6.35 p.m., approximately 20 minutes prior to the murder. We then had him traveling north and turning his phone off at approximately 6.54 p.m., and then turning his phone back on at approximately 7.20 p.m. near a gas station.

We were able to see his location data that put him near the scene of the crime at approximately 6.35 p.m., approximately 20 minutes prior to the murder. We then had him traveling north and turning his phone off at approximately 6.54 p.m., and then turning his phone back on at approximately 7.20 p.m. near a gas station.

During the course of our examination of the digital evidence, we discovered that Larry Richmond Sr. was using a police scanner app that's going to raise a lot of questions that need answers.

During the course of our examination of the digital evidence, we discovered that Larry Richmond Sr. was using a police scanner app that's going to raise a lot of questions that need answers.

Larry Richmond Sr. listens to the police scanner app both before and after the murder. We were able to see that he was looking at the news. There's a popular Facebook site in Evansville called Evansville Watch. He was reviewing that. And also, notably, he was looking at photos of Robby Dorr. There were a lot of cached images that his phone was saving from Robby Dorr's Facebook.

Larry Richmond Sr. listens to the police scanner app both before and after the murder. We were able to see that he was looking at the news. There's a popular Facebook site in Evansville called Evansville Watch. He was reviewing that. And also, notably, he was looking at photos of Robby Dorr. There were a lot of cached images that his phone was saving from Robby Dorr's Facebook.

Authorities recover a call log from Larry Sr. 's iPhone that shows he allegedly made several calls to Becky in the weeks before Robby's murder.

Authorities recover a call log from Larry Sr. 's iPhone that shows he allegedly made several calls to Becky in the weeks before Robby's murder.

In Larry Richmond's case, his entire phone, he deleted almost everything in it. But we can see everything that's also been deleted that hasn't been overwritten. So December of 2018 to the murder date, they had 12 phone calls and some text messages.

In Larry Richmond's case, his entire phone, he deleted almost everything in it. But we can see everything that's also been deleted that hasn't been overwritten. So December of 2018 to the murder date, they had 12 phone calls and some text messages.