A miscarriage sometimes happens because there is a weakness of the cervix, called an incompetent cervix, which cannot hold the pregnancy. A miscarriage from an incompetent cervix usually occurs in the second trimester. There are usually few symptoms before a miscarriage caused by cervical insufficiency.
Police perjury (or testilying in United States police  slang) is the act of a police officer giving false testimony. It is typically used in a criminal trial to make the case against a defendant who the police believe to be guilty when irregularities during the suspect's arrest or search threaten to result in acquittal.
POLICE [CAP. 164. 21who took part in the commission of a crime and whose evidence isrequired for the prosecution of any principal or accomplice in thecrime where that person agrees to co-operate with the publicauthorities for the purpose of such prosecution. Entitlement to programme. Added by:XIII. 2002.4.