WARNING: This article contains major spoilers for "A Narrow Escape," the latest episode of Batwoman.
At last, Batwoman has revealed who killed Luke's father Lucius Fox. In "A Narrow Escape," the latest episode, Crows Security officer Miguel Robles confessed he accidentally shot Lucius after Tommy Elliot paid him to rough Lucius up, then framed Reggie Harris for the crime.
Over the course of the episode, Miguel tried to distract the Crows by aping acts of terrorism committed by a villain known as the Detonator, who forced city heroes into an impossible choice: detonate a bomb that would kill either innocent civilians or yourself, before a timer runs out. This not only led Batwoman to him, but inspired Luke to finally put the pieces together regarding his father's death.
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When Kate and Luke finally caught up to him, he was attempting to blow up Wayne Tower. Kate captured him on his way out of town and dragged him back to the bomb site. She threatened to let them both blow up if he didn't disarm the bomb. As she interrogated him, however, Luke showed up and demanded to know why Miguel killed Lucius.
"Money," Miguel admitted.
Luke pressed on and asked who provided the money. "That rich asshat, Tommy Elliot," Miguel supplied. "He had a book -- some journal Lucius was writing... No idea. All I know is that Tommy was obsessed with it and, after I was recruited to the Crows, I was put on Tommy's personal detail. He paid me ten grand to rough Lucius up."
"You shot him in the chest!" Luke yelled.
"By mistake," Miguel insisted. "I told your old man if he didn't give Tommy what he wanted, I would turn my attention to his kid -- you. That set him off. He charged, I pulled the trigger, and then it just snowballed after that. I framed Reggie [Harris]. Man, I spent the last four years just covering up."
At that, Luke knocked Miguel out cold. He came close to ending Miguel then and there, but Kate managed to talk him down by admitting she killed Dr. August Cartwright. He cooled off, and just in time at that. They were able to drag him to safety just before the bomb detonated.
Later, Luke revealed why Tommy was so interested in his father's journal. "Let's just say my dad's journals weren't poems about his feelings," he said dryly. "This was an instruction manual to building every piece of Wayne Technology."
This will likely lead into next week's episode, "If You Believe In Me, I’ll Believe in You." According to the episode synopsis, "Batwoman enlists Luke and Julia for an undercover mission to recover one of the most important items from her cousin's arsenal." As such, it seems this journal will lead to future problems for Kate and the rest of her team.
Tommy, of course, debuted in Batwoman's third episode, "Down, Down, Down." In the show's canon, Tommy is a childhood friend of Bruce Wayne's with a serious grudge against Batman. After all, when Tommy attempted to kill his rich parents for his inheritance, the Dark Knight managed to save his mother and left Tommy with the "burden" of taking care of her.
At some point along the line, Tommy discovered from Riddler that Bruce is Batman, and thus his grudge against Batman transferred over to Bruce as well. When Batwoman arrived in Gotham, he believed Bruce wasn't far behind and tried to kill her with Bruce's own Bat-armor-piercing weapon. Kate got the upper hand and Tommy was ultimately committed to Arkham Asylum, which is where he appeared in "A Narrow Escape." His grudge against Bruce remains intact.
In the comics, Elliot was first introduced in 2003’s Batman #609 by Jeph Loeb and Jim Lee as Hush. The villain was a childhood friend of Bruce Wayne, though in many ways serves as his foil. At a young age, the future villain attempted to kill his parents by cutting the brake line of their car, though his mother survived. He was eventually committed to a psychiatric ward, only to later return and attempt revenge against Bruce.
Created by Caroline Dries and developed by Berlanti Productions and Warner Bros. Television, Batwoman stars Ruby Rose, Rachel Skarsten, Meagan Tandy, Camrus Johnson, Dougray Scott, Elizabeth Anweis and Nicole Kang. The series airs Sundays at 8 p.m. ET/PT on The CW.