Is Kurt Wallander biased in his investigations by his personal opinions?

Why does Wallander not deal with his father's growing senility sooner?

Compare Wallander's relationship with his father to Wallander's relationships with his wife and daughter.

Why is the double murder so violent?

How do Wallander's personal and professional lives clash?

How does Wallander change over the course of the novel?

Is the solution to the crime satisfying? Why or why not?

What role does Wallander's instinct or intuition play in the story?