Answer:
Colombo approach
Explanation:
This is a questioning techniques formulated and used by the character Lieutenant Colombo played by Peter Falk in the Television series Colombo of the 70s.
The techniques involved 2 methods of ; engaging the individual under interrogation in a long casual talk to gain bonding,
AND
surreptitiously introduce the intended question;so that the subject in relax state is caught unaware and therefore find it difficult to hide the truth.
The techniques involved combination of the questioning approaches with a non-aristocratic demeanor of harmless, and non intimidating fellow, thus sealing the bonds between the interrogator and the subject; for ambience of trust with weak resistance to obtain needed answers.
