Cheng Chieh, 21, confessed he dreamed about carrying out the attack for years. Photo: SCMP

It felt 'nice': What Taipei subway killer told police after stabbing spree

Assailant says he found it difficult to live, so carried out murder to get death penalty

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Cheng Chieh, 21, confessed he dreamed about carrying out the attack for years. Photo: SCMP
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