Department of Homeland Security Funding

I came across this article, and it got me thinking where is all this money for DHS funding coming from? A few short years ago this department did not even exist, and now it seems that they have an unlimited amount of funds for almost anything security related. It seems that some of these funds should be allocated to getting the various agencies that make up Homeland Security working together and on the same page, rather than allocating pork that won't necessarily protect the homeland. But maybe that is just me.