Abara's Accusation of Abduction

Could it be possible that the police knew where lucy was all along and left her there because they wanted abara to lead them to her? If they did do that, i think that's very misjudged. And also, if you'd have known that the body was there, why not get it sooner? Because you don't know what sort of evidence would have led you back to abara. But confessions are very important in japan. As we know, confessions mean very little, yely. Abara was charged with the abduction and murderr of cy blackman, the rape and murderer of carita ridgeway and additionad in addition to the eight other rapes