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 brutality' is the wanton use of excessive force, usually physical, but also common in forms of verbal attacks and psychological intimidation, by a police officer. Widespread police brutality exists in many countries, even those that prosecute it.It is one of several forms of police misconduct, which include: false arrest; intimidation; racial profiling; political repression; surveillance abuse; sexual abuse; and police corruption.ortions of the population may perceive the police to be oppressors. In addition, there is a perception that victims of police brutality often belong to relatively powerless groups, such as minorities, the disabled, the young, and the poor.