Costello is a fictional character portrayed by Leonardo Cimino in the TV series Law & Order.
In the first episode they appeared in, titled Remand (season 6), they were 78 years old.
They appear in 2 episodes out of a total of 501 aired so far
Episodes2
Remand
episode S6.E10 january 1996A convicted rapist in a high-profile trial from 30 years earlier receives a new trial because of legal technicalities. In addition, prosecutors must try to convict this time without a confession.Panic
episode S10.E13 february 2000Detectives suspect that a best-selling novelist was shot because she was having an affair with a married FBI agent who was helping her with research. It turns out that they have the right motive, but the wrong suspect.
- Remand
- Panic