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Teen Mhairi is killed on her walk home after a festive night; investigators trace her last steps, using CCTV and forensics that point to Gavin, a violent repeat offender whose history reveals how dangerous he truly is.
Teen Mhairi is killed on her walk home after a festive night; investigators trace her last steps, using CCTV and forensics that point to Gavin, a violent repeat offender whose history reveals how dangerous he truly is.
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S9, EP2 "Gavin McGuire"Teen Mhairi is killed on her walk home after a festive night; investigators trace her last steps, using CCTV and forensics that point to Gavin, a violent repeat offender whose history reveals how dangerous he truly is.
