L&O, Episode 3.19
Production number: 68010
First aired: 21 April 1993
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Logan Virus
Written By
René Balcer & Michael S. Chernuchin

Directed By
Steven Robman

The death of two diabetes patients is caused by a computer virus in the clinic that treated them.



Main cast

Recurring cast

Guest cast




Catch the call, catch the bagel.

–Tony Profaci (taunting Logan for a free bagel)

Lennie Briscoe: Our informant said these people were killed.
Don Cragen: Next time he calls, tell him to say hi to Elvis.

Too much insulin, you wind up a permanent guest at the Sunny von Bülow rest home.

–Mike Logan

Unless this guy's killing people by mind control, I suggest you apologize.

–Don Cragen

Computer Technician: D.O.D. Department of Doom, it's a local hacker gang. Best known for hacking into the Department of Sanitation's computer. Shut down garbage collection for two days.
Lennie Briscoe: Probably took that long for anybody to notice.

That seems high for the entire island of Manhattan, unless these people were knocking on heaven's door to begin with.

–Dr. Elizabeth Rodgers

It isn't as if we do backroom abortions here. Diabetes is a disease, not a social issue.

–Dr. Hogan

Lennie Briscoe: I wish people would stick to bullets or knives [instead of computer viruses].
Mike Logan: What? you don't like progress?
Lennie Briscoe: I like it when people take a personal interest in their work.

Little Johnny just graduated to murder two. Read him his rights.

–Paul Robinette

Rock and roll gives me a headache. That doesn't mean I'm part of a conspiracy to kill John Lennon.

–Adam Schiff

Ben Stone: We had the kid dead to rights. Now we can't use any of the evidence, not even his name.
Adam Schiff: I didn't know the Bill of Rights was written to make your life easier.

Background information and notes

  • The episode title "Virus" is a reference to the computer virus that created a malfunction at a Diabetes clinic which results in the deaths of two patients.
  • It is revealed that Detective Lennie Briscoe's birth date is January 2, 1940.
  • On the third season DVD boxset, the title of this episode is listed as Computer Virus.

Episode scene cards

1 2 3

Apartment of
Arthur Stuart
12 Gramercy Park East
Wednesday, February 17

Hogan-Hayes Clinic
Hillary Berg. R.N.
299 Park Avenue
Monday, February 22

One Police Plaza
Computer Science Lab
Thursday, March 4

4 5 6

27th Precinct
Interrogation Room
Tuesday, March 9

Morgan Insurance
183 Water Street
Monday, April 5

Judge Henry Fillmore
Motion Calendar
Thursday, April 15

7 8

Supreme Court
Trial Part 58
Tuesday, May 4

Executive Assistant
District Attorney
Benjamin Stone
Friday, May 7

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