Evidence tent markers dot the crime scene where lawmaker Hector Olivares was seriously injured and another man was killed after they were shot at from a parked car near Congress in Buenos Aires, Argentina, Thursday, May 9, 2019. The lawmaker was seriously injured while provincial official Miguel Marcelo Yad?ln was killed, in one of the most brazen political attacks in the South American country since it returned to democracy in 1983. (AP Photo/Natacha Pisarenko), APTOPIX