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They seemed like picture-perfect high school sweethearts, but their toxic relationship ended in murder - ABC News
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Who is William Riley Gaul? US college footballer accused of killing cheerleader ex-girlfriend Emma Walker | The Sun
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Emma Walker's story – The high school romance that became a cautionary tale of toxic love - OkayBliss
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Emma Walker's story – The high school romance that became a cautionary tale of toxic love - OkayBliss
Teen William Riley Gaul 'killed cheerleader girlfriend Emma Walker' | news.com.au — Australia's leading news site
American footballer 'murdered cheerleader ex' before declaring his love for her on Twitter - Daily Star
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