Trapero says the Catalan police considered their plans for Sept 20 “safe” Your browser does not support the video elementOne of the most highly anticipated witnesses in the trial of independence leaders takes the stand in the Supreme Court on Thursday - the Catalan police chief at the time of the referendum in 2017, Josep Lluís Trapero. / ACNshareACNFirst published: March 14, 2019 01:41 PM