Try meeting her at the mall café. She's there on weekdays at 1:00 p.m. Then, develop a relationship with her secretary (Ren). And having learned at some point her address, you can visit her (but stock up on premium whiskey, if memory serves, premium liquor or premium wine will also do), further her story arc is strongly connected to her mother (the judge) and to the policewoman (Violet).
Yes, I completely forgot - at some stage you will have the opportunity to visit her office on Saturdays and Sundays. Interesting events will gradually develop there
And attend court hearings with her, that's also important.