The police warn that the man may be a danger to himself and his surroundings and urge you not to approach him yourself but to call 112 immediately.
On Friday, the police already distributed a photo of Van de Laar. He may be wearing a light khaki shirt, dark pants and sneakers.
A police spokeswoman said that the tips received are being investigated and that the police hopes for more tips. Images from, for example, security cameras, video doorbells or dashcam images from the area may also be relevant to the investigation, the police said.
Police have not yet released any information about the identity of the deceased woman.