Britain's Most Evil Killers — S01E06 — Joanna Dennehy

00:00:06 -In March 2013, a man walking his dog

00:02:18 to the British public.

00:04:03 She's one of two siblings.

00:05:44 so there were a number of danger signs

00:07:32 She does what she wants to do,

00:09:18 Her ex-partner had left her

00:11:04 -Dennehy would make up unnerving stories

00:13:01 Men can't get out.

00:14:43 and that's how they formed this team,

00:16:46 now call escalation --

00:18:36 -We're quite quick to point

00:20:29 because that was his livelihood.

00:22:19 because there didn't seem to be any point

00:24:05 but the police immediately sensed that something was wrong.

00:26:07 so it was quite obvious that she'd been there.

00:27:52 she wants to kill again.

00:29:40 She got out, and she told Stretch to stop the car.

00:31:33 Blue lights are going all around Hertfordshire.

00:33:40 investigators found 31-year-old Lukasz Slaboszewski

00:35:38 when this unexpected plea was heard.

00:37:27 he was made aware that she had killed people,

00:39:20 that are carrying the life sentences, aren't they?

00:41:13 and use that on the electronic keypads to get out.

00:43:09 which is where she will remain for the rest of her life.