Incidents based on initial police reports taken by officers when responding to calls for service. Data is modified for public use. Address and Location are not exact locations of incidents and have been rounded to nearest hundred block. Lat/Long are approximations only based on rounded hundred block. Incidents reported in this dataset may not correlate with 911 Events datasets and calls for Police service.

The City of Mesa does not disclose information that is inflammatory in nature that impacts our citizens. Crimes reported in this data set have not been adjudicated in a court of law for final determination.

Although sensitive crimes are included, the approximate address are NOT included. Therefore aggregate totals of crimes are accurate, without providing sensitive information. Addresses are not included for: sexual abuse, sexual assault, suicide, incest, molestation of a child or homicide.

Similar information is also provided through the CrimeReports website, a 3rd party service that visually reviews crime data for Mesa and outlining areas.

Some of the data fields provided are used to report to the Federal Bureau of Investigation. For a listing of data fields and description please see their UCR Program Data Collections page. Alternatively, please see the Bureau of Justice Statistics NIBRS website for a listing of data fields.

Information about incidents dispatched by Fire & Medical for service within the City of Mesa. All dispatch and response times are based on calls received and dispatched by Mesa Regional Dispatch Center (MRDC) only. Calls to 911 are routed by a 911 Control Office to a primary public safety answering point (PSAP). The primary PSAP for emergency calls in the City of Mesa is Police 911 dispatch. Fire and Medical calls are transferred to the MRDC, a secondary PSAP for dispatch. Call handling and response times in this dataset do not include primary PSAP receive, handle and transfer times.

Visit https://www.fcc.gov/general/9-1-1-and-e9-1-1-services and http://www.mesaaz.gov/residents/fire-medical/divisions-sections/dispatch-deployment for more information. Also see http://www.mesaaz.gov/residents/police/divisions/communications/how-does-911-work for additional information about using 911.

All call data dispatched to Mesa Police or observed by on site officers. Calls are modified for public use, obfuscating the address number through rounding it to the 100 block. Note that these are calls for service and may not necessarily correspond to the data located in the Police Incidents dataset. Crimes reported in this data set have not been adjudicated in a court of law for final determination.

Sensitive crimes are listed but the address of their occurrence will NOT be included. In this way aggregate totals of crimes will be accurate, without providing sensitive information. Addresses where the following crime types occur will NOT be captured: Sexual abuse, Sexual assault, Suicide, Incest, Molestation of a child and Homicide.

Emergency (E) Calls: Life threatening or confrontations which may threaten life or safety of a person.

Priority One Call: In progress crime that could result in a threat to injure or possible major property loss or immediate apprehension of a suspect. Accidents with injury or other traffic incidents that create a traffic hazard.

Priority Two Calls: Minor in-progress/just occurred calls, where there is no threat of injury or major property loss.

Priority Three Calls: Nuisance calls, civil standbys, delayed reports where reporting party (RP) is at public location.

Priority Four Calls: Calls where a delay will not result in a crime occurring or the loss of an apprehension or an injured person not receiving aid.

Priority Five Calls: Calls with no time requirement for dispatch. Calls where a delay will not result in a crime occurring or the loss of an apprehension or an injured person not receiving aid where the priority is approved by a supervisor.

Priority Six Calls: On-view calls. An officer on view or officer initiated case.

Police Average Response Times by Division, by Call Priority Emergency (E) Calls: Life threatening or confrontations which may threaten life or safety of a person. Priority One Call: In progress crime that could result in a threat to injure or possible major property loss or immediate apprehension of a suspect. Accidents with injury or other traffic incidents that create a traffic hazard. Priority Two Calls: Minor in-progress/just occurred calls, where there is no threat of injury or major property loss. Priority Three Calls: Nuisance calls, civil standbys, delayed reports where reporting party (RP) is at public location.
Priority Four Calls: Calls where a delay will not result in a crime occurring or the loss of an apprehension or an injured person not receiving aid.

The Uniform Crime Reporting Program collects statistics on the number of offenses known to City of Mesa Police Department. Address and Location data are not exact location of incidents and have been rounded to nearest hundred block. Lat/Long are approximations only based on rounded hundred block.

Part 1 offenses are reported monthly and are chosen by the Federal Bureau of Investigation (FBI) because they are serious crimes, they occur with regularity in all areas of the country, and they are likely to be reported to police. Part I offenses are defined as: Criminal homicide, Forcible Rape, Robbery, Aggravated Assault, Burglary (breaking or entering), Larceny-theft (except motor vehicle theft), Motor vehicle theft and Arson.

Traffic accidents reported to Mesa Police Department  

Confirmed cases of opioid overdose, locations are not actual but instead rounded to approximately 1/3 mile increments. Opioid overdose confirmed by 1) patient or witness verification, 2) Opioid found on scene or 3) positive response to Narcan treatment. For more information on opioid drugs see https://www.drugabuse.gov/drugs-abuse/opioids

Misdemeanor jail inmate housing (incidents by location, month, fiscal year) beginning from fiscal year 2011/2012, and includes information relating to those individuals housed at CoreCivic beginning July 2017. No individually identifiable information is included in this data extract.

This data will be posted one month behind when the period closes due to the data collection process.

Case clearance rates as reported monthly to the FBI’s Uniform Crime Reporting (UCR) program. A case is considered “cleared” when it is cleared by arrest or exceptional means. Cases credited as “cleared” in a given month or year may have been opened in a previous month or year. For this reason, the clearance rate for a given period may be above 100%. For information and definitions about calculating clearance rates visit https://ucr.fbi.gov/crime-in-the-u.s/2016/crime-in-the-u.s.-2016/topic-pages/clearances

All types of emergency medical dispatched incidents, fire dispatched incidents, such as, structure fires, vehicle fires, commercial fire alarms, and special operations incidents including hazardous materials, natural gas leaks, technical rescue calls, heavy extrication and aircraft incidents in the City of Mesa.