What to know

• Illegal immigrant murdered man in London just three years after serving a sentence in Romania for ‘strikingly similar’ killingS1
• Eugeniu Neamtu, 59, is jailed for fatally stabbing his flatmate and fellow Romanian Gheorghe Trica.S2
• Construction worker Eugeniu Neamtu, 59, was jailed for murder in Romania in 2007.S3
• Gabriel Brown claimed to be possessed by 19th Century occultist Aleister Crowley when carrying out the violent attack on Joseph Ernest Johnston.S4