So, you don't really know why decided that "they" had enough evidence against Oswald for the Tippit murder?
You can't be Fk'n serious?
They had an eyewitness who saw Oswald kill Tippit.
They had eyewitnesses who saw Oswald at the crime scene.
They had eyewitnesses who saw Oswald with a weapon at the crime scene.
They had eyewitnesses who saw Oswald emptying shells at the crime scene.
They had an eyewitness who saw Oswald acting suspiciously leading up to the theater.
They had the box office girl tell them that Oswald didn't buy a ticket.
They had a Police officer who was struck by Oswald.
They had more Police Officers confirm Oswald resisted being questioned.
They had Oswald's revolver, which Oswald used to try and kill more Police officers.
JohnM