It depends. Sometimes what's presented as 'Dr Death' could be a mix of real facts and creative storytelling. There might be a kernel of truth, but it could be embellished or adapted for entertainment purposes.
It is indeed a true story. The show or whatever it is you're referring to draws inspiration from actual happenings and real people involved in those circumstances.
Well, it's a bit of a mix. While it might draw inspiration from real-life incidents, the story could have been embellished or altered to make it more engaging for the audience.
To a large extent, it is. The show takes inspiration from actual cases and tries to present a realistic account. However, there might be some artistic liberties taken for dramatic effect.