"Take care of Officer Jack" for Mira

"Take care of Officer Jack" for Mira is a quest It is the only option if the attempts to talk Jack down are not successful.

Detailed walkthrough
Merk will instruct the Chosen One to speak with Mira at the NCR Bazaar. If the player has INT of less than 4 and at least 7 STR, she will tell the player character to climb a rope over the city wall.

At night, Jack will be at the police station. At dawn, he will walk over to the power station and threaten to blow himself up. If he does so, Mira will provide a reward.