Detectives are generally more reserved and prefer being alone. They are self-sufficient, independent thinkers.
They are very observant and focus on the details of a situation, trusting facts and making decisions based on the here-and-now.
ISTP types favor logic and reason over emotional influences. They base their decisions on what makes sense.
They are also spontaneous and prefer keeping their options open. Detectives are often more adaptable and less aware of time.