The Tylenol Murders: Crazed Killer or Cover-up? | FoZ episode 133

Poison Tylenol killed 7 people in Chicago Sept 28 - Oct 1 1982. The feds tried for YEARS to charge the main suspect, James Lewis, for these crimes but were never able to. But was it really a crazed serial poisoner who was responsible or was this whole thing covered up by Johnson and Johnson?