F-FW Challenge 293 - One word answer

Title: One word answer
Fandom: Torchwood
Characters: Ianto, Gwen, Jack
Author: m_findlow
Rating: PG
Length: 2,262 words
Content notes: none
Author notes: Written for Challenge 293 - Circle at fan-flashworks
Summary: Jack has given Gwen a strange lead on a cold case.

One word answer