The Public Security Ministry also doubled the number of National Police officers in the Cahuita district who are patrolling the Caribbean town around the clock.
More than two years after Steven Flesch's death, prosecutors were unable to secure testimony from two key witnesses, Costa Rica Prosecutor’s Office spokeswoman Karla Rivera said in an email.
Paul Thomas Walter, 62, died of a heart attack on March 13 while hiking near Arenal Volcano. He was one of two U.S. hikers to die on trails in Costa Rica that day.
