When The Princess of Wales Kate Middleton seemingly disappeared from public life and royal duties to recover from abdominal surgery, social media went into a meltdown.

Now, researchers at the Security, Crime and Intelligence Innovation Institute at Cardiff University believe the social media trail of evidence links much of the disinformation surrounding Kate Middleton's health to a Russian-based group, and claim the group amplified the frenzy for commercial reasons.

Guest:Professor Martin Innes, Security, Crime and Intelligence Innovation Institute director at Cardiff University