I won’t go back into the Fidel quotes but when Che was alive, Fidel had as little use for him as the rest of us did.
Apparently Fidel revealed his whereabouts to the Bolivians.
Castro gets rid of a rival, and gains a martyr for his cause.
When the average Cuban feels they can speak freely they will tell you Fidel (you don’t say his name, the sign for Fidel is rubbing your chin...the beard) had Che whacked....there is only room for 1 live hero in the revolution... Che had to go