FULL TITLE: 'She thought President Obama was stalking her': Dental hygienist shot dead after ramming her car into the White House 'suffered delusions due to postpartum depression' The Connecticut mother who was gunned down by police yesterday after ramming a White House barrier with her young daughter in the car thought President Obama was stalking her, law sources said today. Investigators have found indications that Miriam Carey suffered delusions due to a history of mental illness, NBC Connecticut reports. Last night her mother revealed the 34-year-old has suffered from postpartum depression since giving birth to her daughter Erica last year....