Buffy was sort of all business right now, she didn't mean to be so abrupt but while she personally could handle Angelus, that didn't mean everyone else could, and stopping him as soon as possible would be preferable and safer for everyone involved. Especially if he'd already killed someone.
She listened to Juliya's recount of the situation and tried not to appear antsy. She was kind of just wanting to get out there and find him, but she didn't want to be rude either. If he did get his soul back...well, Angel was going to brood over killing someone for awhile. "We will take care of it." She assured the other girl. "Hopefully before he can hurt anyone else." She'd have to get ahold of Willow and see if they could restore his soul. Buffy didn't really want to think about the alternative right now. Part of Buffy was always going to love Angel and she had to try to bring him back before she thought about ending him, despite what she had been thinking earlier.