Chin obtained guilty verdicts in notorious cases including a brutal rape-murder committed by the victim’s neighbor and a serial rapist of Honolulu prostitutes.

Chin was directly responsible for 23 municipal government and public safety agencies and approximately 10,000 employees with an annual operating budget of $2 billion.

In 2011, Chin oversaw city operations during the Asia-Pacific Economic Cooperation meeting in Honolulu, the first time the summit of nations was held in the United States.

[6] In August 2013, Chin registered as a lobbyist for Corrections Corporation of America (know known as CoreCivic),[7] and subsequently successfully lobbied to house Hawaiian prisoners in Arizona.

This was in leading the fight against the travel ban imposed by president Donald Trump, after the Supreme Court allowed it to go into partial effect in late June 2017.

[15] Chin continued to serve as Lieutenant Governor while running for Congress,[16] and lost the August 2018 Democratic primary to Ed Case.

Chin received the endorsement of End Citizens United in his Congressional campaign and signed a pledge to reject corporate political action committee contributions.

Chin opposed Scott Pruitt’s EPA nomination and resisted the current administration’s attempts to roll back the Clean Water Act.

[21][22] Chin has supported preservation movements, such as those with the Papahānaumokuākea Marine National Monument and protecting coastlines along O‘ahu’s North Shore.

In Congress, Chin wants to expand funding to Hawaii for sustainable source expansion, protect parks from fracking and drilling, and work towards reducing greenhouse gas emissions.

The letter says President Donald Trump's policy banning transgender service members from the military "violates fundamental constitutional and American values".

[28] Arguing that a business owner’s personal beliefs do not give him a right to discriminate against customers, a coalition of 20 states led by Chin and Massachusetts Attorney General Maura Healey, filed an amicus brief with the US Supreme Court defending the constitutionality of Colorado’s public accommodations law.

He also pledged to use his experience as a prosecutor to advocate for criminal justice reforms to sharply reduce America's "immoral over-incarceration rates which have disproportionately impacted minority populations.

Chin supports passing the DREAM Act and expressed a desire to expand family reunification policies and provide a pathway to citizenship for the millions of undocumented immigrants living in America.

"[20] Chin has been critical of what he describes as President Donald Trump's "dangerous tendency to conduct U.S. foreign policy via Twitter – even as he undercuts real diplomacy by failing to staff the State Department.