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Rob Terwilliger

Retired NCIS Special Agent who led the investigation into the 2002 death of Marine Sgt. Todd Sommer and was featured as a guest on Dateline's "Trace of Suspicion" podcast.

Mar 19, 2026

3:51
You're telling me this is not like the TV show.
3:54
No. [laughs] No, you don't stay in one place for very long.
3:57
There is a planning process that goes on, and so when the case agent, the new case agent opens it up, there is an investigative plan.
4:05
These are the things based on what the old case agent saw that have been done, and there are thing, there's a list of things that still need to be done.

17 MINS LATER

21:09
And you know exactly where Todd was that day.
21:11
According to the Marines that were in his squadron, they were with him, and he did not get home until late in the evening.
21:18
And at no point during, during, uh, that interview did she tell us that, "Well, I went to multiple consultations." She said, "He went to me with the consultation to that, the consultation in La Jolla," not knowing that we had already reviewed her medical record and knew that Todd Summer could not be at two places at one time.

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