|“||Ah, why not? You'll soon be dead any-||„|
|~ Alden's last words|
Alden Reginald Greene (1954-2015) was the CEO of Greene Holdings, along with . He was first seen in Blood on the Trading Floor (Case #12 of Criminal Case). He was known for suspicion in five murders, but revealed to have been the murderer of both journalist Rachel Priest and CEO of Meteor Systems Karen Knight.
Alden Greene was a businessman with a bald head but a very bushy mustache and beard. He had brown eyes and was most commonly seen with a brown cigar sticking out of his mouth. He wore a blue shirt with many white stripes. He had a gray tie with silver circular designs of globes, the logo of his company (Greene Holdings). There was a gold colored clip on his tie. He wore suspenders which went around his shoulders and connected to his trousers. He is shot by Frank Knight before revealing his plans.