Prosecutors and Defense Attorneys prepare for two murder trials involving Christopher Clements. Court documents reveal new evidence against Clements not previously revealed to the public.

Christopher Clements appeared in the Isabel Celis murder investigation before Maribel Gonzales disappeared. Does this mean Maribel's death could have been prevented?

Christopher Clements is connected to another murder investigation: 13-year-old Maribel Gonzales. Bud and Shaley share how he became a suspect in that death and the evidence detectives say links him to the crime.

How did investigators find the remains of Isabel Celis? Bud and Shaley introduce you to Christopher Clements, who approached the FBI hoping for a deal, but turned into a suspect.

It's the big break in the case investigators were looking for, but is it enough to lead to an arrest? Bud and Shaley review the announcement from the Tucson Police Chief and the response from the Celis family.

Who is behind the disappearance of Isabel? Bud and Shaley go through the theories that circulated around the country, as the Celis family defends their innocence.

The extensive search for Isabel Celis continues, but what does the process entail? Bud and Shaley break down the steps, some of the tips called into police and a 911 call that ended up being a hoax.

It's April 21, 2012 and Sergio Celis discovered his daughter Isabel is missing from her bedroom. With no history of running away, the family calls it an abduction. Bud and Shaley take a closer look at the moments leading up to Isabel's disappearance and the first hours into the investigation.