Ah, so the thinking is once Arias killed Travis, she wanted to go kill other people, not necessarily related at all to Travis, because she harbored some resentment along the way?
Her other resentments (speaking of men) happened to mostly be in CA, not in AZ. Travis was the man she was with in AZ.
What happened a few days before she was arrested that informed her she didn't commit the perfect murder?
The theories that have Arias heading out to murder: the various women Travis was with, the women Travis was interested in even if they were not interested back, anyone who pissed her off in Arizona or outside of Arizona, whether they knew Travis or never heard of Travis, seem entirely far-fetched and in the realm of fantasy horror. It's like when some said Arias is/was the most dangerous killer ever to have walked the earth, that's hyperbole and just not true.