Crime data from around Maryland are submitted by law enforcement agencies to the Maryland State Uniform Crime Reporting Program on a monthly basis. The current report, released each year since 1975, presents statistical data on criminal offenses, clearance rates, arrests, law enforcement officers killed or assaulted while on duty, and law enforcement employee data. Criminal offenses detailed include the index crimes of murder, rape, robbery, aggravated assault, breaking or entering, larceny-theft, motor vehicle theft, arson, and domestic violence. During 2004, a total of 241,263 criminal incidents were reported to Maryland police, a 3-percent decline compared to 2003. Violent crimes increased less than 1 percent and property crimes decreased 3 percent. A total of 309,777 arrests were made in 2004, representing a 5-percent decrease from 2003. Maryland experienced the loss of 3 officers who were killed in the line of duty during 2004; 3,868 officers were assaulted. Maryland police agencies employed 14,897 full time law enforcement officers during 2004, a less than 1-percent increase compared to 2003. Tables, figures