What are the missing question words in the conversation between Detective Adams and ...

What are the missing question words in the conversation between Detective Adams and Officer Lee?

Detective Adams: Can you tell me _____ you last saw

the suspect?

Officer Lee: I last saw him near the old warehouse.

Detective Adams: _____ did you see him exactly?

Officer Lee: Around 3 PM yesterday.

Detective Adams: And ______ was he doing there?

Officer Lee: He was looking around and taking notes.

Detective Adams: ______ was he with?

Officer Lee: He was alone.

Detective Adams: _____ did you go to the warehouse?

Officer Lee: Because I was investigating a lead in that

area.