Why do the police initially suspect Duane in the murder of Valerie Simpson?

What was the relationship between Pavel Menansi and Valerie Simpson?

Who is Duane Richwood?

Who killed Valerie Simpson? Why?

Who killed Pavel Menansi? Why?

Why does Frank Ache wish to keep Myron from investigating Valerie's death?

How does Dr. Abramson help Myron without breaching patient confidentiality?

How was Jimmy Blaine wronged?