Who is 'Bongbong' Marcos Jr and why are some Filipinos nervous about his return?

Marcos Jr. is a member of one of the country's most notorious political families.
Here's why some are concerned about a Marcos Jr. presidency.
China's President Xi Jinping also congratulated Marcos Jr., saying the two countries would "stand together through thick and thin," according to state media Xinhua.
Presidential candidate Ferdinand "Bongbong" Marcos Jr. celebrates as he greets the crowd outside his headquarters in Mandaluyong, Philippines on May 11.
Former first lady Imelda Marcos was famously known for her extravagance and excess spending, which included an extensive designer shoe collection.
Marcos Jr. was 23 when he became vice governor of the northern province of Ilocos Norte in 1980, running unopposed with his father's party.
Former first lady Imelda Marcos, second right with her daughters Imee Marcos, right, and Irene Marcos Lopez, left, and son Ferdinand Marcos Jr., second left on July 7, 2007 at the National Library in Manila.
Upon their return to the Philippines, Marcos Jr. became a congressional representative in his home province.
As President, Marcos Jr. would be head of the institutions created to investigate allegations against his family's former regime.
An unsettled estate tax of the Marcos family is estimated to now be worth $3.9 billion, but there are concerns Marcos Jr. would scrub that.
Though Marcos Jr. has said he would expand the PCGG and tackle graft and corruption, many worry justice will not be served.
"I will let them into the country, but only as tourists," Marcos Jr. said in January, according to Reuters.