CLEVELAND -- Ariel Castro and the rest of the world can expect to see evidence collected against him that led to his eventual guilty plea.
Prosecution's Evidence from Court (PDF)
A letter written by Castro found in the Seymour Avenue house reads, in part, "I am a sexual predator."
PHOTOS | Inside Ariel Castro's house of terror
Just before 11 a.m. the room where Amanda Berry and her daughter were kept was shown, with wooden doors boarded up over the windows.
By mid-morning, chains that Castro had used to bind the women were described as "...100 feet long...and weighing 92 pounds..."
Boxes have been brought into the courtroom that appear to contain clothing but prosecutors have yet to display them.
PHOTOS | Ariel Castro in court
Castro's defense team objected to the introduction of evidence at the start of the sentencing hearing. The prosecution argued that the victims wanted the evidence to be revealed.
Castro admitted to rape, kidnapping, and aggravated murder last week during a pre-trial hearing.
PHOTOS | Ariel Castro sentencing evidence
Castro is expected to received a life plus 1,000 year prison sentence at the close of today's hearing.
WKYC has learned that detectives are expected to present evidence to the court.
EXPANDED COVERAGE | Ariel Castro case
Expert testimony could answer more questions about what was discovered inside the home on Seymour Avenue where Castro held the three women captive.
Wednesday afternoon, Cuyahoga County Prosecutor Tim McGinty filed a sentencing memorandum with the courts. The document revealed new details about how Castro carried out each kidnapping.
They describe how Castro was able to convince each of his victims to get into his car or home.
The document states that "the victims of the defendant's heinous crimes did everything humanly possible to retain a sense of normalcy.
They were able to mark the passage of time through the maintenance of diaries. Several diary entries document abuse and life as a captive."
Amanda Berry wrote to her mother in her diary, both when her mother was alive and wrote to her "in heaven" when she knew her mother was dead. (READ MORE)