The six people killed when a private jet crashed in Maine were going to see a property for a luxury travel business led by a Houston lawyer.

Investigators have released the identities of four of the six people killed in the Jan. 25 crash of a Bombardier CL-600 airplane at Bangor International Airport.

What we know about the Maine plane crash that killed six people, including Houston-area victim Shawna Collins, as investigators continue their work.