Detectives are confronted with a shocking tragedy involving someone who was instrumental in solving Daisy’s murder. Plus, a source in Mexico helps solve the remaining mysteries about how social media ultimately cracked this case.

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At the trial, the prosecution scores a win from a surprising witness: the defendant’s mother. She’s been asked to help convict her son, but it’s unclear whether it will be enough to put Daisy’s killer behind bars.

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Daisy’s friends and family receive a shocking tip in an Instagram DM about the suspect’s whereabouts. It completely upends their understanding about where he’s been hiding all these months. They send the tip to detectives, and a day later, they finally see their dogged efforts pay off: The suspect is caught. But his long-awaited arrest marks the start of yet another nightmare.

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Once the social media posts go viral, the detectives on the case start feeling the pressure to solve it. They get calls from TikTok tipsters at all hours of the day and night reporting sightings of the suspect all over California and the Western United States. After continuously striking out, the detectives decide to take a cue from Daisy’s community: They post their own fliers on social media, too.

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After Daisy’s friends and family make TikToks and Instagram posts revealing the name and photos of her suspected killer, their community bands together to start looking for him — and becomes terrified by potential sightings. Some see the manhunt as a personal mission: a crucial opportunity to avenge Daisy’s killing and bring her murderer to justice.

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Daisy’s friends, relatives, and neighbors are stunned by her senseless murder. Detectives look for answers, but their investigation stalls when they realize there are no witnesses and no reliable surveillance footage. As the months go by, Daisy’s community grows impatient and decides to take matters into their own hands. If the police won’t identify a suspect, then they’ll do it themselves.

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Daisy’s friends remember her as a tough but caring, big-hearted teenager who overcame significant obstacles from a young age. She always put on a smile no matter what, was quick to lend a hand to those in need, and often prioritized her friends and loved ones’ problems before her own. But her life began to change in high school, and before anyone realized the extent of it, she’d found herself in horrible danger.

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In February 2021, 19-year-old Daisy De La O had a lot to be excited about: She’d recently started a new job, she’d saved up enough money to buy a car, and was on the verge of earning her associate’s degree. She dreamed of opening a makeup and tattoo business someday. But those dreams were shattered when she got a text message while watching T.V. with her family one night. She told them she’d be right back and stepped outside. It was the last time her family saw her alive.

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