Current alerts are available from the Indianapolis Marion County Police Department, as well as other local law enforcement groups where you can get up-to-the-minute notifications of current activity.  For the IMPD website sign-up visit:

http://indy.gov/egov/city/dps/impd/pages/home.aspx

Additionally, if you are looking for mapping options to determine place to live or risks of an area, you can do a search for crime events through the use of

http://maps.indy.gov/MapIndy/Index.html?theme=crimeviewer

Neighborhood Crime Watch Groups (Indianapolis):

 http://www.indy.gov/CrimeWatch/Pages/Home.aspx

These types of resources are also available at many of the suburban locations around the greater Indianapolis area.