21 year old Samuel Garunts was arrested October 23 and according to LAPD officer Drake Madison has been a person of interest in the investigation for some time according to an LA Times report by Ari Bloomekatz and Robert Lopez
21 year old Nicol Shakhnazaryan was arrested June 20 and charged with battery with serious bodily injury and assault by means likely to produce great bodily injury. He has pled not guilty to those felony charges.
Two down, two to go.
LAPD investigators have set up a special email account, firstname.lastname@example.org, for anyone to contact them or provide information. In addition, anyone with information about the attack on Ms. Diego can contact LAPD's Hollywood Area Detective Division at (213) 972-2967 or (877) LAPD-24-7 during non-business hours or weekends.
And yes I'll be keeping tabs on this Left Coast case until justice is served.