evidence: FBI Director Christopher Wray on Wednesday warned that Chinese hackers are preparing to "wreak havoc and cause real-world harm" to the US. [...] Chinese government-backed hackers, Wray said, are targeting things like water treatment plants, electrical infrastructure and oil and natural gas pipelines. [...] Wray said Wednesday that China’s efforts extend beyond technology, warning that "they target our freedoms, reaching inside our borders, across America, to silence, coerce, and threaten our citizens and residents."