The Chinese foreign ministry and ministry of culture and tourism have issued travel advisories for Chinese citizens considering visits to the US (archived, archived, archived). Both advisories list many of the normal reasons other countries advise caution when traveling to the US including dangers presented by defects of culture and high urban crime rates. The culture and tourism ministry's advisory however goes further in highlighting the hazards posed by US "law enforcement" including the arbitrary application of laws.
You're not spelling "lol enforcement" correctly.
Also, pot calling kettle black.