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50 State Reports

Supervision Violation Data Snapshot

States across the country saw changes in their prison admissions and populations due to supervision violations in 2020. But some states were already experiencing reductions in violation admissions and population prior to the pandemic. This snapshot shows available supervision violation data for Missouri from 2018 through 2020.

Admissions

From 2018 to 2020, Missouri saw a 24 percent decline in the number of prison admissions due to supervision violations.

The breakdown

Total Admissions Violation Admissions Technical Violation Admissions
2018180321398710111
201915025115078376
202012293106107590
Total 2018 2019 2020
Total admissions 18,032 15,025 12,293
Total Violation admissions 13,987 11,507 10,610
Probation admissions 7,582 5,882 5,440
Parole admissions 6,405 5,625 5,170
Total Technical Violation admissions 10,111 8,376 7,590
Probation admissions 4,935 3,782 3,093
Parole admissions 5,176 4,594 4,497
Total New Offense admissions 3,876 3,131 3,020
Probation admissions 2,647 2,100 2,347
Parole admissions 1,229 1,031 673
Population

From 2018 to 2020, Missouri saw a 31 percent decline in the number of people in prison due to supervision violations.

The breakdown

Total Population Violation Population Technical Violation Population
201831721172927603
201928174143445733
202023062119044957
Total 2018 2019 2020
Total population 31,721 28,174 23,062
Total Violation population 17,292 14,344 11,904
Probation population 10,244 8,898 7,469
Parole population 7,048 5,446 4,435
Total Technical Violation population 7,603 5,733 4,957
Probation population 4,358 3,599 2,619
Parole population 3,245 2,134 2,338
Total New Offense population 9,689 8,611 6,947
Probation population 5,886 5,299 4,850
Parole population 3,803 3,312 2,097

Additional State Notes

Missouri incarcerates both people on probation and parole without a revocation of the probation or parole. These cases are reported as technical violations in this survey. Technical probation and parole violations may include people who ultimately receive a new felony conviction. Many parole violations include people who are incarcerated following an arrest for a warrant and before a revocation decision has been made.

Initially, many parole violations are coded as unrevoked or technical, but later are changed to new offense as more information becomes available. In addition, people on parole who are convicted of a new offense committed in another county in which are they are serving a sentence will be either revoked for a technical violation or without a revocation on the original sentence.

Admissions due to supervision violations include short incarceration stays in state-funded custody (1- to 180-day sanctions).


Whether an incarceration is the result of a new offense or technical violation is often difficult and problematic to delineate, even in states with available data. Most states do not consider a supervision violation to be the result of a new offense unless a new felony conviction is present, meaning technical violations may include misdemeanor convictions or new arrests. "Prison" includes county jail if the county was reimbursed by the state for a person’s incarceration, which occurs in some, but not all, states. Supervision violations may include revocations (i.e., unsuccessful terminations of a supervision and completion of a sentence in prison or jail) or short-term sanctions (i.e., probation or parole jurisdiction is maintained and the person is incarcerated for a short period of time in prison or jail). Not all states impose or include short-term sanctions in their count of supervision violations.