1. It depends on where the assisted suicide takes place. As a controversial issue, assisted suicide is not legal in everywhere.
2. It depends on who assisted the suicide. Generally, to be legal, the person assisted is generally a licensed medical professional.
3. It depends on if other criteria have been met. Usually, assisted suicide is only available to terminal patients. For terminal patients to make such decision, a series of medical exams, physical and mental, must be taken place before. Some countries may require approval in advance.