Call the local police station and they will do a free walkin assessment to better tell you how to secure the property. 

My town has two shooting ranges in it, one a private club and one owned by the police department that other law enforcement departments sometimes use.

After talking to the police and the locksmith, there has been a rash of break ins on houses with lockboxes.

If they had the police called out numerous times it doesn't matter if they pay on time. 

Politicians and police; bought and paid by your local hotel association.

Yikes.Some of the items in my toolkit:http://www.slmpd.org/crime_mapping.shtml - Maps all of the crimes recorded by the city's police department; Trulia also has a crime map that can give you rough estimations, but this map is more accurate and gives more verified detail.

I have a high powered zoom camera in the back so I can keep and eye on my boat at the dock and who is coming and going on the front of the house.I can export high quality video and put it on a flash drive and give to the police if there were any issues.

In the Biggerpockets Podcast #279 - Andrew Cushman shared some ways he analyzes deals. 1) Buy in an area where median income is 35K or highercity-data.comrichblockspoorblocks.com2) Poverty level is less that 15%3) Property is not in a flood zoneUse FEMA website - pull flood zone map4) Property is in a low crime areaUse Trulia.com crime map as an initial screenHe doesn't buy anything less than low crimeIf considering buying, go to local police department and inquire about the area. 5) Above average population growth USA.comStay away from negative population growthTown should exceed the national growth average - this is a good sign. 

My thoughts first are:Discuss the issue with the neighbors stealing the waterTalk to the property owner--who is the epitome of a slumlordDocument their actions with a small video as I'm at the property often and take this evidence to the police and/or city.Thanks in advance.

There is a strong police presence there to keep the crime at bay.The roof is about 7 years old, relatively new ac units in 3 of the units, 2 long term tenants, the other two within the past year.