Macho B was the only known wild jaguar in the United States. State game workers twice captured and eventually euthanized the big cat. Much of the official story about their actions fell apart under the Star's scrutiny.

In page after page of testimony, Arizona Game and Fish Department officials portrayed jaguar researcher Emil McCain as a man who manipulated, …

A federal magistrate says one of two criminal charges filed against jaguar-capture whistle-blower Janay Brun should be dropped, although the c…

The biologist at the center of the controversy over a jaguar's capture and subsequent death last year admitted Friday in federal court that he…

The Arizona Game and Fish Department has issued a point-by-point rebuttal to a federal report critical of the 2009 capture of the last known w…

The jaguar Macho B wanders away from the site where he was initially captured and collared in March 2009.

Last year's capture of the last known wild jaguar in the United States by state workers was intentional - and the evidence points to criminal …

Saying it doesn't want a rerun of jaguar Macho B's ordeal, a Tucson environmental group filed suit Thursday charging that the state Game and F…

Arizona's Game and Fish Department may have lacked the proper permit to capture a jaguar when Macho B stepped into a snare trap in Southern Ar…

U.S. Rep. Raúl Grijalva, who has successfully requested a federal investigation of the jaguar Macho B's death, is seeking a second one.

The Arizona Attorney General's Office no longer is actively investigating the Feb. 18 capture and subsequent euthanization of an endangered jaguar.

The State Game and Fish employees who captured Macho B Feb. 18 used the simplest existing protocol for handling the wild cat, not a more compl…

The U.S. Fish and Wildlife Service will open a criminal investigation into the circumstances surrounding the capture and euthanization of the …

Macho B lived a long and magnificent life in a vast and magnificent wilderness. His presence will be missed greatly. But we need to remember o…

We have been impressed by the passionate public reaction to the recent capture, radio-collaring, and unfortunate death of the jaguar Macho B.

Macho B crossed borders for more than a dozen years. Despite our best efforts at constructing barriers and disrupting his natural inclinations…

Authorities plan to re-evaluate how they capture jaguars in light of this week's death of Macho B, but they won't let that death stop them fro…

The jaguar that was euthanized Monday due to kidney failure clearly had suffered from the disease before his Feb. 18 capture, but the stress o…

Beautiful, elusive and secretive, the sleek jaguar has been a ghostlike presence in Arizona, captured only on environmentalists' tracking came…