MINNEAPOLIS ( Stockpickr) -- In a few days, we will commemorate 10 years since the tragic events of 9/11. Having been in New York then, I will certainly never forget. That day changed the world forever.In the aftermath, an entire category of stocks dedicated to homeland security emerged from within the defense industry. Investors now can select specific stocks of companies that play a critical role in our national security. Osama bin Laden may be dead, but the threat still exists. As long as it does, there is money to be made from the efforts to keep us safe. It's a good thing, too. With a national debt that is out of control and an economy teetering on the brink of a double-dip recession, stock-picking is exceedingly difficult. Where can investors go and know that growth and profits are likely to follow? Related: 5 Big Stocks to Trade for Gains in This market Consider homeland security stocks. In the greater story of military and defense stocks, investors need to brace for cuts. That is less the case with homeland security. Nobody wants to be accused of cutting spending there if and when another terror event occurs. Here are five homeland security stocks to safely buy for your portfolio.