The deterioration of the the form of international economy of 2008, all the nations and individuals fear the globe financial crisis. According to preliminary statistics, The unemployment rate in 2009 will be reached the top in history,  all over the world  are in the top age of violent crime, theft, robbery, terrorism and other crimes, from the United States to Europe to Asia to Africa,the "burglary, burglary killings" and other criminal acts will be spread around the world. . . . .

                   In November 2008,a U.S. newspapers published that a break-crime thing,in the state of Idaho,a young couple was in sound sleep,suddenly when the wife woke up,finding a brigand with a gun in his hand was near to their bed.The couple battled with the brigand,not only saved themselves,but also let the brigand arrested.What caused the terrible night ?It is because the brigand can easily open the door,enter the house ,and found a shotgun from the bedroom,so he was ready to attak.

The local policemen gave 6 suggestions,of which 3 are as followings:

一、Never assume "It can't happen here."

二、Secure all windows and doors before you go to bed

三、It is very important to install the alarm system.

                  A nother house robbery in the United States is even more incredible, terrified. Pellegrino,the second largest city in the state of Nevada, a beautiful sexy charming 19-year-old female college student named Brianna Denison,come back to a girlfriend’s home from a party in 4:00.In the morning, Her girlfriend slept upstairs found that Brianna Denison was away,she was near to the unlocked glass door downstairs. until February 16,her body was found in snow field out of 8 miles away.Till now, the murderer have not been catched.

                 In Nevada,in October of 2007, free advertising magazine named 《Sierra Scoop》reported a adertisemnt about the equipment of security alarm,it guided us to have a a preliminary understanding of the burglary.The advertisement was as follows:

                 It is estimated that the annual U.S. break-theft was 2,329,950,the losses of all  victims is $3.1 billion.There is an break-theft in every 12 seconds,losing $1675 in average in every case. Next year 1 / 6 of the family will be theft,theft.it just needs one minute to break into the doors,60% of the break-theft happened during the daytime.Compare to the homes where there have no home security equipment,the rate of break-theft is as high as 2.7 times than the homes where there have home security,the former become the target of the burglary.

From googl,you can see as the following,

Crime Rates of U.S

Year                 population                       Burglary   

1960                  179,323,175                    912,100
1965                  193,526,000                    1,282,500
1972                  208,230,000                    2,375,500
1978                  218,059,000                    3,128,300
1980                  225,349,264                    3,795,200
1988                  245,807,000                    3,218,100
1994                  260,341,000                    2,712,800
2000                  281,421,906                    2,050,992
2006                  299,398,484                    2,183,746
Crime Rates of California

Year                 population                   Burglary

1960               15,717,204                       143,102
1965               18,602,000                       225,007
1972               20,468,000                       398,960
1978               22,294,000                       488,966
1980               23,532,680                       545,138
1988               31,431,000                       384,257
2000               33,871,648                       222,293
2006               36,457,549                       246,464

Similarly,the rate of burglary in Asia is also increasing year by year

 Picturer 1,the burglary is climbing the 15-floor and ready to break into house.

Picturer 2,the burglary is trying to open locks.

Picturer3,the shop is stolen,the owner lost us$15700,looking out of the windown hopelessly.