1 / 7After killing his live-in partner Shraddha Walkar on May 18, Aaftab Poonawala read about similar crime cases and famous murder trials, other than behaviour patterns and how celebrities behaved during trials, reported Times of India. 2 / 7Preparing himself for the day when his crime will come to light, Aaftab also read on the internet about the divorce case of Hollywood celeb couple Johnny Depp and Amber Heard to understand how one’s behaviour impacts the investigation. 3 / 7During his polygraph and narco analysis tests, Aaftab majorly remained calm and composed. Revealing about his internet search history to the investigators, Aaftab told the cops that taking cue from infamous cases and trials helped him keep calm during the time he was under investigation. 4 / 7The report quoted sources saying that Aaftab’s internet searches showed he had done extensive research on every aspect on criminal cases, from investigation to trial. “His recent searches were related to the behaviour patters of people during a stressful period. He also closely followed the trial in the divorce case of Depp and Heard to observe hoe behaviour impacted the investigation,” a police source told Times of India.5 / 7Reports said that during the polygraph test, Aaftab remained calm and showed no sign of stress during the questioning. He even confessed to killing Shraddha, but did not show any remorse to the grisly crime. 6 / 7The report quoted Tihar Jail sources saying that he slept peacefully, had his food and even chatted amiably with two inmates. 7 / 7It was earlier revealed from the accused’s internet seach history that he read about ways to dispose of a dead body and about chemicals that could be used for removing blood stains.