Vijay Patel is an ATAC agent like Frank and Joe but does not work on field (the only exception being Gold Medal Murders).
Vijay is a fun person with a sense of humor . He finds Frank's issues with girls highly entertaining. He also likes to provide a cover story for the boys saying that they're spoiled rich kids.
Vijay is also highly intelligent. He is extremely knowledgeable in technology and usually gives the forensics results.