Dewi was found dead with charred bodies in an empty hut at Paya Cincin, Pamak Village, Tebing District, Karimun regency, Sunday (15/5).
Among residents of Tanjung Balai Karimun questioned the seriousness of the police to catch the killer.
''Police have serious reveals the sadistic murder. Do not just reveal the victims of crime with just rich people, poor people should be treated equally,'' said Parlin, a resident.
According to Parlin, police should check all the friends of victims, including checking the men who usually associated with woman who come from Bengkalis Regency, Riau Province.
''If they are serious and really works, we believe that the culprit could be expressed,'' he added.
NGO activists, John Saputra said, prior to reveal the murder of a freelance prostitute named Dewi of it, according to his record, there were two murder cases that have not been revealed by police.
Both cases were each murder a husband and wife collectors tin cans or scavengers who was found dead in the bushes in Meral District. Then, the murder of a drinks beer sales promotion girl who was found dead in Paya Manggis, Tanjung Balai Karimun several years ago.
''The victim of two assassination it is equally incapable of circles. We hope not to appear perception that the police only revealed serious crime if the victim of the rich,'' he said.
He hoped the police are really serious revealed that the killer was considered quite sadistic. The victim was stabbed first before burning it twice in the chest, forehead bone shattered like hit something hard.
Until now, police have not yet determined suspects linked to the murder case.
Karimun Police Chief Adjunct Commissioner Police (AKBP) Benyamin Sapta said it would be serious to reveal Dewi killer.
''We should be optimistic that it can uncover the perpetrators of murder, this time we still continue to question people who knew and had contact with the victim,'' he said.
Until now, police are interogating 12 witnesses, including the owner of motorcycle that borrowed the victim, Yamaha Mio brand with police number BP 4839 KD.
Meanwhile, among the citizens of developing a variety of allegations about the motive for the murder of Dewi, some residents said the victims were killed after being raped, there is a mention his motive for victims hurt by the frequently changing boyfriend. (kepri online daily/kabar kepri)