Cause of murder or normal variation, which one is true?

Background: Parietal hole is formed as a result of defect or delay in the ossifying one third of the posterior parietal in the fifth month of fetal in genetic transfer of mutated gene dominant autosomal genetic. Artery, vein, meningia or brain cortex is exited through it, as for as the equal with its size. Parietal foramen is located in syndromic frame. Case Presentation: The case is Iranian 34 years old woman, that was found in dead state in the motel. The positive findings in examination: - Abrasion in skin of left upper posterior area of parietal. - Scars of cosmetic surgery and numerous tattoos. - Purple bruises in the arms. The positive findings in necropsy: - A hematoma under the right and posterior site of parietal skin in 2˟ 2 cm, under parietal skin abrasion. - A hole that it was in the posterior of right parietal bone,1 mm in diameter ,near the sagittal suture .It was extended to the inner surface of skull. -Very mild desquamation in dura mater with very mild bleeding about 2 cc above arachnoid (under dural desquamation).- A hematoma with 1˟1 cm , between the cervical muscles - A 3˟3 cm hematoma under the skin of upper and anterior of chest wall.The serologic, Toxicologic and pathologic sample were negative.Conclusion: As for as wearing in the left posterior parietal and hematoma under the skin in this area and finding a holes in mentioned area, at first, it seemed that the lesion is created by a sharp object, hard edges or shot. But in closer examinations there was no rupture on scalp and edge of the hole was perfectly sharp and smooth. Hence in order to prevent confusion in similar cases, the physician is familiar with these variations.ith these variations