the Sun. Dennehy, 37, stabbed to death her Polish housemate Lukasz Slaboszewski, 31, property developer Kevin Lee, 48, and John Chapman, 56, in Peterborough before dumping their bodies in ditches.After her last murder she chillingly called accomplice Gary Stretch, then 46, and sang Britney Spears' "Oops I Did It Again".Dog walkers John Rogers and Robin Bereza survived horrific attacks by Dennehy in random, separate incidents.Shianne, now 21, said her mum's crimes sent her into a spiral of mental health crises and she "lost her senses" - ending in her contemplating suicide.She said: "The first thing I said was, ‘Will I turn into her?
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