Ending 1

Police thought criminal was suicide but when they checked a 5 dead body no one was suicide even Lucy and Dr. Andrew too. Also they were all murdered by a third party not any 5 participation. Police go to Dr. William's office but they surprise about him. Dr. William drink cup of tea so calmly that some could believe that he already knew these thing will happen. He say to police,
" So what's the matter. 5 all dead and it is finish..." 
with his scary smile.