During this period, Holleeder met many other gangsters, including Dennis Stewart and Yvon Lodewijks, who was later accused of ordering the murder of Holleeder's brother-in-law and co-criminal Cor van Hout.
Throughout this timeframe, Holleeder interacted with several other gangsters, including Dennis Stewart and Yvon Lodewijks, who were later implicated in the murder of Holleeder's brother-in-law and co-conspirator Cor van Hout.