A white supremacist who stabbed an elderly man to death and planted home-made bombs at mosques has admitted making an explosive substance in his cell at a maximum-security jail.Self-radicalised extremist Pavlo Lapshyn, 32, a chemical engineer, used salt, copper wire, pencil and other substances to form an ingredient which could be used to cause an explosion.When officers at the category A prison HMP Wakefield found a plate with a white substance on it in his cell in August 2018, he told them he was trying to make a firework.HMP Wakefield is known as Monster Mansion due to the number of high-profile, high-risk sex offenders and murderers there.Lapshyn, a Ukrainian national, had just started a work placement in the UK when he murdered.
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