<description>&lt;p&gt;Detective Sergeant James Brannigan is able to speak to this series for the first time. He reveals how a call from journalist Tanya Fowles leads him to review the evidence gathered so far by his police colleagues into the murder. The more he uncovers, the more he believes an investigation is needed. He's just got to convince his senior officers. 
&lt;/p&gt;</description>

The officer responsible for bringing Creswell to trial, speaks here for the first time. 

Detective Sergeant James Brannigan is able to speak to this series for the first time. He reveals how a call from journalist Tanya Fowles leads him to review the evidence gathered so far by his police colleagues into the murder. The more he uncovers, the more he believes an investigation is needed. He's just got to convince his senior officers.

Episode 12: The Detective Sergeant

<description>&lt;p&gt;Jonathan Creswell very nearly gets away with murder. He tells police Katie Simpson had tried to take her own life. He's the hero who'd tried to save her. But he is lying. He's eventually charged with her rape and murder. Now new witnesses say they'd tried to warn police of her killer's behaviours. 
&lt;/p&gt;</description>

The murder of a young show jumper rocks Northern Ireland's equestrian world.

Jonathan Creswell very nearly gets away with murder. He tells police Katie Simpson had tried to take her own life. He's the hero who'd tried to save her. But he is lying. He's eventually charged with her rape and murder. Now new witnesses say they'd tried to warn police of her killer's behaviours.

Episode 11: The Recap

<description>&lt;p&gt;As Cameron Finnigan is sentenced at the Old Bailey his mum speaks out. She offers a rare, painful and deeply revealing insight into families caught in the fallout of 764.&lt;/p&gt;&lt;p&gt;The BBC investigation explores what it will take to stop this network and the National Crime Agency reveal what they’re doing to combat the growing threat of online groups like 764.&lt;/p&gt;&lt;p&gt;Written and Produced by Jo Palmer.&lt;/p&gt;&lt;p&gt;For information and support on issues discussed in this series, visit bbc.co.uk/actionline.&lt;/p&gt;</description>

Cameron Finnigan's mum speaks out offering a rare insight into families caught up in 764.

As Cameron Finnigan is sentenced at the Old Bailey his mum speaks out. She offers a rare, painful and deeply revealing insight into families caught in the fallout of 764.The BBC investigation explores what it will take to stop this network and the National Crime Agency reveal what they’re doing to combat the growing threat of online groups like 764.Written and Produced by Jo Palmer.For information and support on issues discussed in this series, visit bbc.co.uk/actionline.

4. Mum

<description>&lt;p&gt;In a chilling look at how screens become crime scenes, we uncover a murder that was plotted in Romania and live streamed to 764 members worldwide.&lt;/p&gt;&lt;p&gt;The investigation explores the power of online manipulation and the worrying reach of 764.&lt;/p&gt;&lt;p&gt;Written and Produced by Jo Palmer.&lt;/p&gt;&lt;p&gt;For information and support on issues discussed in this series, visit bbc.co.uk/actionline.&lt;/p&gt;</description>

Uncovering a murder plotted in Romania and livestreamed to 764 members worldwide.

In a chilling look at how screens become crime scenes, we uncover a murder that was plotted in Romania and live streamed to 764 members worldwide.The investigation explores the power of online manipulation and the worrying reach of 764.Written and Produced by Jo Palmer.For information and support on issues discussed in this series, visit bbc.co.uk/actionline.

3. Taken in 90 Seconds

<description>&lt;p&gt;Uncovering what happens inside 764’s chatrooms and its devastating toll on victims and families who are caught in the web of a network so dangerous, global law enforcement can barely keep up.&lt;/p&gt;&lt;p&gt;We meet a Canadian mother, whose daughter was drawn into the group’s grip, revealing how 764’s tactics push families to the brink and leave no one untouched.&lt;/p&gt;&lt;p&gt;Written and Produced by Jo Palmer.&lt;/p&gt;&lt;p&gt;For information and support on issues discussed in this series, visit bbc.co.uk/actionline.&lt;/p&gt;</description>

Uncovering what happens inside 764’s chatrooms and its toll on victims and families.

Uncovering what happens inside 764’s chatrooms and its devastating toll on victims and families who are caught in the web of a network so dangerous, global law enforcement can barely keep up.We meet a Canadian mother, whose daughter was drawn into the group’s grip, revealing how 764’s tactics push families to the brink and leave no one untouched.Written and Produced by Jo Palmer.For information and support on issues discussed in this series, visit bbc.co.uk/actionline.

2. The Lion’s Den

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

Assume Nothing

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