During a kidney transplant in Indianapolis, IU staff tweeted about what was going on.
Dr. Douglas Zipes says tasers can provoke sudden cardiac arrest and even death.
Experts say there is an ethical difference between paying for bone marrow and paying for organs.
A report released Thursday says IU contributes millions of dollars each year to the state's economy.
15-year-old Chance Jackson has undergone two surgeries and is recovering from his injuries.