Seek (NCIS)

[1] In the episode, a widowed Marine wife, whose husband was seemingly killed by a Taliban sniper, asks Gibbs' help to find out the truth.

In Afghanistan, EOD specialist Marine Sergeant Theodore "Ted" Lemere is shot and killed by a sniper after leading a trapped child out of a minefield with the help of his bomb sniffing dog, Dex.

Gibbs suspects that the lead dog handler of a civilian contractor, Beta Co, might be responsible since he and Lemere had gotten in a fight previously, though they lack evidence to prove it.

Gibbs and McGee decide to take Dex back to Afghanistan to investigate the crime scene while the rest of the team processes the evidence the thief left behind.

[2] "Last year, the touching image of a black lab named Hawkeye laying faithfully beside the flag-draped casket of his late master, Navy SEAL hero Jon Tumilson, swept the internet and made headlines most everywhere.

It served as yet another stark reminder of the sacrifices made by our military men and women and their families (pets included)", Williams continued.

And Dexter filled the role especially well in "Seek," a NCIS' story about a K9 expert who was killed by a sniper after saving a child from a Taliban mine field in Afghanistan.