-Searching without warrants and what constitutes the words "searching", "without", and warrants
-Profiling based solely on race
-Use of lethal force
-Use of less-than-lethal force tools, such as tasers, pepper spray, etc., and their effectiveness.
These are only a few, but are commonly written upon. The term "police work" is a little vague, but I assumed you meant "methods by which the police accomplish their goals." And "called into question" is a bit general is well. Who is calling this police work into question? Women? Male skateboarders between the ages of six and eighteen? Owners of sports cars living in New Jersey? The Courts?
Because they enforce the law!
The police
He certainly did not question the role of the state in Police Power to assure the common order, e.g. Law enforcement, so-called ( Just wars) by the Armies, etc.
They probably weren't called the "police" but in civilized society (for back then) you can be sure that there was some kind of civil law enforcement. (think The Sheriff of Nottingham)
Greg Ridgeway has written: 'Cincinnati Police Department traffic stops' -- subject(s): Cincinnati (Ohio), Racial profiling in law enforcement, Traffic violations, Police, Race discrimination, Discrimination in law enforcement, Attitudes, Cincinnati (Ohio). Police Dept 'Analysis of racial disparities in the New York Police Department's stop, question, and frisk practices' -- subject(s): Discrimination in law enforcement, New York (N.Y.)., New York (N.Y.). Police Dept, Police 'Cincinnati Police Department's traffic stops' -- subject(s): Cincinnati (Ohio), Racial profiling in law enforcement, Traffic violations, Police, Race discrimination, Discrimination in law enforcement, Attitudes, Cincinnati (Ohio). Police Dept
Study law enforcement, legal and paralegal studies, stay fit by taking physical education classes also.
Harry W. More has written: 'The police policy manual--personnel' -- subject(s): Handbooks, manuals, Police administration, Police 'Teams-groups-task forces in law enforcement' -- subject(s): Police administration, Law enforcement 'Critical issues in law enforcement' -- subject(s): Addresses, essays, lectures, Police, Law enforcement 'Managerial Control of the Police' 'Patrol field problems and solutions' -- subject(s): Handbooks, manuals, Handbooks, manuals, etc, Police, Police patrol 'Principles and procedures in the administration of justice' 'Critical issues in law enforcement' -- subject(s): Application, Police, Law enforcement, Lois 'Special topics in policing' -- subject(s): Police
police and law enforcement
Law Enforcement
U.S. Immigration and Customs Enforcement.
Brian Reaves has written: 'Federal law enforcement officers, 1993' -- subject(s): States, Statistics, Police, Law enforcement 'Portal' 'State and local police departments, 1990' -- subject(s): Statistics, Police, Law enforcement 'Local police departments, 1997' -- subject(s): Police administration, Statistics 'Using NIBRS data to analyze violent crime' -- subject(s): Crime analysis, Criminal statistics, Data processing, Databases, United States, United States. Bureau of Justice Statistics 'Law enforcement management and administrative statistics, 1990' -- subject(s): Statistics, Police administration, Criminal justice personnel, Criminal statistics, Law enforcement 'Campus law enforcement agencies, 1995' -- subject(s): Campus police, Police, Private, Private Police, Statistics 'Profile of state and local law enforcement agencies, 1987' -- subject(s): Statistics, Police, Law enforcement 'Local police departments' -- subject(s): Police administration, Statistics
Philip Gounev has written: 'Police stops and ethnic profiling in Bulgaria' -- subject(s): Police administration, Racial profiling in law enforcement, Law enforcement, Discrimination in law enforcement