<description>&lt;p&gt;Police investigating a daring break in, supposedly by the IRA, at their counter terrorism unit’s headquarters get a tip off. Apparently, there’s another republican intelligence operation happening and its reach extends to the heart of Northern Ireland’s volatile government. &lt;/p&gt;&lt;p&gt;Presenter: Martin McCann 
Additional Voice: Nicolas Boulton &lt;/p&gt;&lt;p&gt;Produced by BBC Northern Ireland 
&lt;/p&gt;</description>

Police investigating a raid get a tip off.

Police investigating a daring break in, supposedly by the IRA, at their counter terrorism unit’s headquarters get a tip off. Apparently, there’s another republican intelligence operation happening and its reach extends to the heart of Northern Ireland’s volatile government. Presenter: Martin McCann 
Additional Voice: Nicolas Boulton Produced by BBC Northern Ireland

2. The Easy Art of Espionage

<description>&lt;p&gt;A daring raid at the Belfast headquarters of Special Branch, the police counter terrorism unit, triggers a massive investigation. The finger of blame is pointed at the IRA, at a time when the paramilitary ceasefire is just about holding but government in Northern Ireland is far from stable.&lt;/p&gt;&lt;p&gt;Presenter: Martin McCann 
Additional Voice: Nicolas Boulton &lt;/p&gt;&lt;p&gt;Produced by BBC Northern Ireland 
&lt;/p&gt;</description>

A shocking raid triggers a massive investigation.

A daring raid at the Belfast headquarters of Special Branch, the police counter terrorism unit, triggers a massive investigation. The finger of blame is pointed at the IRA, at a time when the paramilitary ceasefire is just about holding but government in Northern Ireland is far from stable.Presenter: Martin McCann 
Additional Voice: Nicolas Boulton Produced by BBC Northern Ireland

1. Agent of Influence

<description>&lt;p&gt;In August 2020 Katie Simpson was brutally murdered by Jonathan Creswell, the partner of her older sister.&lt;/p&gt;&lt;p&gt;For months he convinces her family, the hospital, the pathologist and even the police that she'd taken her own life. &lt;/p&gt;&lt;p&gt;He portrays himself as the Good Samaritan, who'd tried to save her.&lt;/p&gt;&lt;p&gt;But for a small group of people, close friends and family, a Detective Sergeant and journalist Tanya Fowles, the truth about how she'd died might never have come out.&lt;/p&gt;&lt;p&gt;For the first time, Tanya reveals how in the weeks after Katie's death, while she'd been asking questions of the police about Creswell, she receives a phone call from someone employed by one of Northern Ireland's politicians.&lt;/p&gt;&lt;p&gt;The message is clear, unusual and unnerving. &lt;/p&gt;&lt;p&gt;The journalist has no idea how her caller knew she was enquiring about the case as she hadn't published a word about it yet.&lt;/p&gt;&lt;p&gt;But it convinces her more than ever that there is definitely more to Katie's death than suicide.&lt;/p&gt;</description>

A journalist receives an unexpected warning from the heart of Northern Ireland politics.

In August 2020 Katie Simpson was brutally murdered by Jonathan Creswell, the partner of her older sister.For months he convinces her family, the hospital, the pathologist and even the police that she'd taken her own life. He portrays himself as the Good Samaritan, who'd tried to save her.But for a small group of people, close friends and family, a Detective Sergeant and journalist Tanya Fowles, the truth about how she'd died might never have come out.For the first time, Tanya reveals how in the weeks after Katie's death, while she'd been asking questions of the police about Creswell, she receives a phone call from someone employed by one of Northern Ireland's politicians.The message is clear, unusual and unnerving. The journalist has no idea how her caller knew she was enquiring about the case as she hadn't published a word about it yet.But it convinces her more than ever that there is definitely more to Katie's death than suicide.

15. A Political Call

<description>&lt;p&gt;A woman says she's visited by men who she says tell her there is no point in pursuing Jonathan Creswell after she reported him for stealing her horse. Another is told police couldn't arrest him when she'd reported him for indecent exposure at the yard where they worked. And for the first time, journalist Tanya Fowles reveals details of a call she received trying to put her off the story. &lt;/p&gt;</description>

Curiosities that could have been early warning signs of what Jonathan Creswell would do.

A woman says she's visited by men who she says tell her there is no point in pursuing Jonathan Creswell after she reported him for stealing her horse. Another is told police couldn't arrest him when she'd reported him for indecent exposure at the yard where they worked. And for the first time, journalist Tanya Fowles reveals details of a call she received trying to put her off the story.

Episode 14: Curiosities

<description>&lt;p&gt;Detective Sergeant James Brannigan has one last chance to convince his bosses to launch an investigation into Katie's death. Working on his own, he compiles a 20-page report of all the evidence so far. He says there are questions that need answers. He hopes senior officers will now decide the death needs to be looked at by a Major Investigations Team. But it is only when a young officer speaks up that the decision to have another look is made. 
&lt;/p&gt;</description>

Sergeant Brannigan's report casts doubt on the theory that Katie Simpson killed herself.

Detective Sergeant James Brannigan has one last chance to convince his bosses to launch an investigation into Katie's death. Working on his own, he compiles a 20-page report of all the evidence so far. He says there are questions that need answers. He hopes senior officers will now decide the death needs to be looked at by a Major Investigations Team. But it is only when a young officer speaks up that the decision to have another look is made.

Episode 13: Do the Right Thing

The teams assume nothing as they examine events through fresh eyes.

Assume Nothing

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