The link below will take you to the CrimeReports® website. It will take you to the map of the statistics for your current location. To view the crime statistics for Vallejo, California, type "Vallejo, CA" in the "Search" box in the top left of the window, then press Search. These statistics will also include sex offender data.
The crime map will provide data, by default, for the prior two weeks. To modify the reporting dates, click the "Advanced Search" tab on the tool bar above the map. Select the date range from the drop down calendars then click the "Show Crimes" button at the bottom.