Lacey Spears made international headlines in January 2015 when she was charged with the 'depraved mind' murder of her five-year-old son Garnett. Prosecutors alleged that the 27-year old mother had poisoned him with high concentrations of salt through his stomach tube.<br><br><br><br>To the outside world Lacey had seemed like the perfect mother regularly posting dramatic updates on her son's harrowing medical problems. But in reality Lacey was a text book case of Munchausen Syndrome by Proxy. From the time he was an infant she deliberately made Garnett sick to elicit sympathy from medical professionals as well as her hundreds of followers on Facebook and other social media. When a Westchester County jury found her guilty of killing Garnett in April 2015 she was sentenced to twenty years to life in prison.<br><br><br><br>Using Lacey's own never-before-seen Facebook Twitter and blog posts an exclusive prison interview with Lacey herself as well as interviews with her family and the three police investigators who broke the case <I>My Sweet Angel</I> gives the definitive account of this extraordinary case that shocked the world.