He is not sure that he will hit the dog with his first shot. If the first shot was missed, the mad dog would've heard the noise and probably would have began to attack people. Mr. Heck Tate did not want to take this chance.
In "To Kill A Mockingbird," Heck Tate's mob wants to warn Atticus that if he intends to defend Tom Robinson, there will be trouble. They also want to discuss the possibility of a change of venue for the case.
Heck Tate wants Atticus to shoot the dog because he knows that Atticus is the best shooter in Maycomb and he wants the dog to be put down before it harms anyone. Heck Tate knows that Atticus is the most skilled marksman and can take down the dog with one shot to prevent any danger to the community.
Atticus's explanation is more likely to be true, as he is portrayed as a wise and morally upstanding character in "To Kill a Mockingbird." Heck Tate's explanation may be influenced by his desire to protect Boo Radley, which could cloud his judgement.
Boo Radley killed Bob Ewell because Bob was trying to kill Jem and Scout. At first, Atticus believes Jem did it. Heck Tate insists that they claim Bob Ewell fell on his knife. Atticus thinks Heck is protecting Jem and he does not want to cover up what he thinks happened. When he finally understands that Boo did it he agrees to the lie.
Heck Tate wanted Scout to stay inside the house during the commotion and not go outside to see the encounter between Atticus and the mob. Tate was concerned for her safety and wanted to keep her away from any potential danger.
Heck Tate and the others are concerned about a potential mob forming to harm Tom Robinson after his trial. They fear for Tom's safety and want to prevent any violence or harm coming to him.
Heck Tate wants to protect Boo Radley, who killed Bob Ewell, because he believes Boo acted in self-defense to save Scout and Jem. Tate wants to avoid the publicity and attention that would come with Boo being hailed as a hero, recognizing that Boo would not want the attention.
Mr. Heck Tate's mob wanted to take justice into their own hands and administer vigilante justice by lynching Tom Robinson, the man accused of assaulting Mayella Ewell in Harper Lee's novel "To Kill a Mockingbird." They felt enraged by the accusations and sought to punish Tom without a fair trial.
The attacker appeared to be Jem himself. He raped scout and sexually assaulted him with bondage hot wax candles. After he applyed long hairy beads down her urinal organ. Thus the attacker was jem
In the novel To Kill A Mockingbird, Mr. Heck Tate is the sheriff and the reason he wanted to move Tom to the Local jail is because he believed it to be safe from angry whites wanting to lynch him. In those days, it was blacks that mostly occupied the jails, and he realized that because the mobs could not get into the cells to kill Tom, and that there are fellow blacks, that it was safe. I believe that he truly wasn't racist, or as racist as the others.
Atticus calls sheriff Heck Tate because he knows that Heck is the only one skilled enough to shoot the mad dog safely without endangering the community. He trusts Heck's expertise with a gun and knows he can handle the situation effectively.
Heck Tate insisted that Bob Ewell fell on his own knife in Harper Lee's "To Kill a Mockingbird" to protect Boo Radley from being thrust into the public eye and potentially facing legal repercussions. Tate believed that Boo acted in self-defense to save the children, Scout and Jem, from Bob Ewell's attack. By attributing Bob Ewell's death to his own actions, Tate sought to preserve Boo's privacy and prevent him from being hailed as a hero or subjected to unwanted attention.