Detective Ryan Avis

Mentioned in 4 analyzed podcast episodes across 2 shows

A detective with the Pottawatomie County Sheriff's Office who led the investigation into Carrie's disappearance and worked cross-jurisdictionally on the case. He partnered with fellow investigator Doty to uncover an impersonation scheme and gather key evidence against suspect Liz Gollier, including suspicions of self-inflicted injury. He is featured prominently in the Dateline Originals series "Something About Cari" for his investigative work on this case.

Appears On

Dateline Originals Something About Cari

Episode Appearances

Dateline Originals · Feb 4, 2026

Something About Cari - Ep. 5: Mother

“Iowa detective who led investigation and discovered key evidence against Liz Gollier”

No-body murder prosecutionDigital forensics and data recoveryCircumstantial evidence in homicide cases

View Analysis

Dateline Originals · Feb 4, 2026

Something About Cari - Ep. 4: A Shot in the Dark

“Pottawatomie County Sheriff's detective; partnered with Doty to uncover Liz's impersonation scheme and involvement in Carrie's disappearance”

Digital forensics and IP address tracingOnline impersonation and cyberstalking investigationMissing persons investigation methodology

View Analysis

Something About Cari · Dec 16, 2025

Mother

“Lead detective from Iowa who investigated Carrie's disappearance and worked cross-jurisdictionally on the case”

No-body murder prosecutionDigital forensics and deleted file recoveryCircumstantial evidence in criminal trials

View Analysis

Something About Cari · Dec 11, 2025

A Shot in the Dark

“Pottawatomie County Sheriff's detective who investigated the case and suspected Liz of self-inflicted injury”

Digital forensics and IP address trackingOnline impersonation and identity fraudHarassment and stalking investigations

View Analysis