This was also aired on ID not too long ago, in an episode called "Into Thin Air" on 48 hours.
There is a multitude of information out there already on the case,
but wanted to try to compile it all in one post.
Timeline: Jean Zapata Case
Zapata's Husband Was Arrested In August 2006
December 2004: Cadaver Dogs Search Former HomeTwo cadaver dogs searching the basement of Jean Zapata's former home and indicated hits of human remains. A human hair was taken from the site, police said.
August 2005: Cadaver Dogs Search Storage LockerTwo cadaver dogs separately indicated hits of decomposing human remains at a Sun Prairie storage locker that Eugene Zapata had rented.
August 2005: Cadaver Dogs Search Juneau County LotPolice also used cadaver dogs to search a 4-acre lot owned by Eugene Zapata in Juneau County.
December 2005: Police Call Case "Foul Play"Madison police officially called the case "foul play" and named Eugene Zapata their one and only suspect.
February 2006: Eugene Zapata Denies Connection To Wife's DisappearanceIn a telephone interview with WISC-TV from Henderson, Nev., Eugene Zapata denied any connection to his wife's disappearance.
March 2006: Police Search Juneau County LandfillMadison police conducted a week-long search of the Juneau County land-fill near Mauston. They said that they are searching for Jean Zapata's remains and containers that they believe belonged to Eugene Zapata.
August 2006: Eugene Zapata Arrested For MurderAuthorities in Nevada arrested Eugene Zapata for murder in connection to his wife's disappearance.