He also made a record named Willem is terug ("Willem is back") in September 2012 together with Lange Frans, a Dutch rapper. Various politicians condemned his appearance, because Holleeder should not become a cult hero. In addition, from September 2012 until 7 March 2013 Holleeder wrote a weekly column for the Dutch magazine Nieuwe Revu. In February 2013 Holleeder was a co-founder of the motorcycle club No Surrender MC and served as vice-president of its Amsterdam branch. 2013 arrest In May 2013, Holleeder was arrested in a large operation involving 450 police and army personnel. He was suspected of extortion. The victim of the alleged extortion was Theo Huisman, the former president of the Amsterdam chapter of the . On 12 June 2013 Holleeder was released from prison but remains a suspect in the case. Back in jail, in May 2015 it became known that Holleeder knew who was involved in the murder of his brother-in-law, Cor van Hout. His sister Astrid, a criminal lawyer, feared that Holleeder plans to assassinate her, and so she proposed to assist in his prosecution. While visiting him in prison she secretly recorded his confession and handed it to the police. 2016 arrest and alleged assassination plot In April 2016, Holleeder was arrested again, while still in prison, for allegedly soliciting two members of a gang (known as the Curaçao No Limit Soldiers) to kill his sisters Astrid and Sonja as well as Peter R. de Vries, a witness in the mega-trial. Holleeder dismissed the charge as "nonsense", insisting that it would not be in his "interest" to kill his sisters. The gang member who informed the authorities about the plot subsequently recanted his confession, though Astrid believes that he did so only because he is also afraid of her brother. 2019 verdict In July 2019, the Court in Amsterdam convicted Holleeder after a lengthy and extensive trial at the age of 61 to life imprisonment for the involvement in a series of five murders, including on his former friend and criminal associate Cor van Hout, and one case of manslaughter, thus following the demand of the prosecutor and brushing off his denials. The trial was held in De Bunker. The judges also found that he had formed a crime gang and ordered killings with jailed associate Dino Soerel and since-murdered criminal Stanley Hillis. The prosecution case relied on the sensational testimony of his