The episode first aired the week of February 8, 1999, and was written by Robert Hewitt Wolfe and directed by Tony Dow.
Ezri, who is symbiotically joined to the long-lived sluglike creature Dax, calls upon the memories of a previous host of the symbiont to assist in the investigation.
Dr. Bashir determines that he was killed by a bullet fired at close range from a TR-116, a prototype rifle design discontinued by Starfleet.
Security chief Odo notes that a rifle fired at close range would leave powder burns on the victim, but no such marks are found on Ilario.
Joran encourages Ezri to get inside the murderer's mind, going as far as to have her aim a TR-116 at unsuspecting people and contemplate the resulting feeling of power.