far. what s your biggest fear. landed in prison. an america tonight special, reasonable doubt. thank for joining us, i am joie chen. our criminal yale justice system depends on checks and balances, punish the guilty while row texting the innocent. but what happens when someone puts a thumb on the scale of justice? our first story looks at witness identification or rather misidentification. it may surprise you that it is the cause of as many as three out of four wrongful convictions. our investigation found that juries almost always convict if there is an eyewitness, even when there is proof the suspect couldn t have done the crime. when the verdict came back and it was difficult on all count, the courtroom erupted in applause. give him the gas and kill his ass. that s what they said you? yeah, i could hear that s snickering and laughing. and everybody thought they had the right man, the police department, prosecutor s office. most of the people thought they ha