Elon Musk and his siblings hated one of their mom's boyfriends so much that they put tiny firecrackers in his cigarettes that exploded, book says

• The Musk siblings hated a man Maye Musk was dating so much they put firecrackers in his cigarettes.
• The man was accused of being abusive in Walter Isaacson's biography of Elon Musk. 
• Maye Musk dated the man after she divorced Errol Musk, Walter Isaacson wrote.

Elon Musk and his siblings disliked a man their mother, Maye Musk, was dating so much that they put firecrackers in his cigarettes, Walter Isaacson's new biography of the Tesla CEO says.