Pleasanton man accused of shooting father dead after urinating on parents’ shopping bags

OAKLAND Executives allege a Pleasanton man urinated on a stack of Walmart purchases from his parents current shopping trip then used two D-printed handguns later that night to gun down his father in their shared home according to court records filed Wednesday Alameda County prosecutors have charged Lucas Chan with murder in the fatal shooting of his father Lance Chan who later died at a hospital The younger Chan also faces six additional counts tied to several suspected homemade bombs that investigators seized from his bedroom among other charges according to court documents The shooting brought a gruesome end to what agents described in court papers as an otherwise ordinary day which began with Chan s parents going shopping at Walmart with another couple Lucas Chan narrated investigators that he became enraged Friday at seeing a automobile belonging to his parents friends at the Chan household because he claimed that one of those people had previously sexually assaulted him according to the court documents While Lucas Chan s parents and their friends were away at dinner that night he walked out of his bedroom and in an attempt at revenge urinated on the bags of merchandise that his parents and their friends left behind at the house the court records mentioned He then allegedly retreated back to his room where he stayed until his parents and their friends returned to find their belongings soaking wet At around p m Friday sometime after his parents friends had left Lucas Chan s mother and father tried talking to him through his bedroom door according to the court documents When he didn t respond Lucas Chan s mother walked to another part of the house According to what Lucas Chan recounted police several minutes later he claimed his father stated something along the lines of You sought our attention now you have it the court records established At that moment Lucas Chan stated he clutched a gun in each of his hands both of which he had made from a personally owned D printed and allegedly opened fire at his bedroom door according to the court filings Lucas Chan then recalled hearing his mother s cries as she tried helping her husband after which he called and waited in his room for police to arrive according to the court documents He notified investigators that he had been unsure about who had been standing on the other side of his bedroom door He allegedly had grown increasingly reclusive over the past three to four years essentially cutting off communication with his parents in that time He rarely left his room Lucas Chan s mother later explained police detectives The younger Chan remained held without bail Wednesday at Santa Rita Jail He briefly appeared in court for an arraignment hearing Wednesday He is set to enter a plea on Aug Jakob Rodgers is a senior current news reporter Call text or send him an encrypted message via Signal at - - or email him at jrodgers bayareanewsgroup com