YCSD investigators interviewed witnesses who were present at the time Diane Coates collapsed at the YCCC.
The detectives talked to Sandra Moss about her employee Diane Coates the morning after Mrs. Coates passed away.
The detectives spoke to Milo Moss, who was at the reception when Diane Coates collapsed and provided first aid until the EMTS arrived.
The detectives spoke to Diane Coates's husband the morning after she passed away.
Sylvia Payton worked with Diane Coates and attended the conference where Mrs. Coates collapsed.
Bernadette Guthrie worked with Diane Coates and spoke to Mrs. Coates just before she collapsed.
The detectives identified Landon Talley as the victim's lover, based on information other witnesses provided.
The detectives interviewed Ms. Talley after speaking with her husband earlier the same day.
The detectives spoke with Diane Coates' primary physician, John Lipinski, about her medical history and current condition.
The detectives followed up with Elliot Fowler, the victim's pharmacist, on what Dr. Lipinski said about her medications.

The detectives talked to Sandra Moss again to get more info about her relationship with Diane Coates.

The detectives spoke to Landon Talley again to find out more about Diane Coates and their affair.

The detectives asked Diane Coates' pharmacist for more info about her prescriptions and if he could ID the man who picked up her refill.

The detectives asked Rupert Coates to clarify some questions about his wife's work life and their marriage.