East Bay Rep. Eric Swalwell has fashioned himself as one of the leaders of the so-called “resistance” to President Donald Trump. For the better part of this year, Swalwell has skewered Trump both in social media and repeatedly appearances on cable news show to highlight the the president’s alleged ties to Russia.

Swalwell almost never sees eye-to-eye with Trump. But that ended Thursday following the acquittal of Jose Ines Garcia Zarate, the undocumented immigrant, who in 2016, killed Kate Steinle in San Francisco. The incident become an early lightning rod for then-presidential candidate Trump’s fiery campaign rhetoric against illegal immigration.

Following the verdict, Trump tweeted his disapproval, as did Swalwell:

Before Swalwell began his political career in 2010, he was an Alameda County prosecutor. His interest in the Steinle case is also personal. According to the Los Angeles Times, Swalwell knew Steinle and her family.