"Even if the drink was poisoned, you can’t prove that Harry was the one who did it." One of the ladies humphed stubbornly, unable to accept Dustin’s reckless action.
How could he kill someone without proof?
"Both the vodka and the woman belong to him. Do you really think that he had nothing to do with this?" Dustin reasoned. "I was testing him earlier, but he endured it and kept changing the topic, trying to make me drink.