article_snippet: Investigators said Investigators're still piecing together information on all three cases.
article_snippet: Here's a look at what we know so far: .
article_snippet: Investigators say another case started when a burglar alarm sounded at a business.
article_snippet: There will be more information released as the investigation continues.
article_snippet: more information released as the investigation continues may shed more light on Villalpando's actions that night," police and city officials said.
article_snippet: That will be investigated," Carlos Rojas said.
article_snippet: CNN's Michael Martinez, Gustavo Valdes and Alina Machado contributed to this report.