By the end of 2008, the murder count was 234-a 17% reduction over the previous year.
Following 1992, the murder count slowly decreased to 641 in 1999.
The policy reduced street crime but had little effect on the city's murder count, which continued to rise.
Once brought to trial, two of the murder counts were dismissed.
The charges include 2,973 individual counts of murder - one for each person killed in the 9/11 attacks.
In 1979, Chase stood trial on six counts of murder.
He was then charged with several counts of murder in November 1991.
Smith has been charged with two counts of second degree murder.
By 2012, Washington's annual murder count dropped to 88, the lowest total since 1961.
The figure for 2001 was 7.1 as more than 3,000 victims of the September 11 attacks were included in the nation's murder count.