Mark Goudeau

According to the documents, the Baseline Killer posed as a homeless person in one incident, pushing a shopping cart toward a woman in a parking lot near 32nd Street and Thomas Road.

He forced himself into her car and told her to perform oral sex upon him or he would kill her.

She fought him off, the records said.

In that incident, the man believed to be the Baseline Killer was wearing gloves, a mask and clothing that covered his entire body.

The records show police worked to obtain partial hand prints, DNA and ballistics reports to build their case; but those results were redacted/blacked out on the paperwork.

Mark Goudeau (born September 6, 1964) is an American serial killer, kidnapper, thief and rapist.

Goudeau terrorized victims in the Phoenix metro area between August 2005 and June 2006; coincidentally, Goudeau was active at the same time as two other Phoenix serial killers, jointly known as the "Serial Shooter.”

In addition to committing nine murders, his extensive crime spree included 84 other felony crimes, totaling 93 felonies over the ten-month period.

He faced two separate trials—one for 19 charges related to an attack on two sisters whom he raped and sexually assaulted, and another related to 74 more charges including murder, robbery, rape, kidnapping, sexual abuse and/or assault of minors and adults.

All but one of his victims were females.

Goudeau was convicted on a total of 76 of 93 crimes, and was sentenced to death 9 times (one for each murder conviction) and given a sum total of 1,634 years in Arizona state prison.

Goudeau was first referred to as the Baseline Rapist when Phoenix Police announced that a light-skinned black male was sexually assaulting females as young as 12 years old at gunpoint near Baseline Road.

The sisters, one of whom was visibly pregnant, were assaulted in a Phoenix city park on September 20, 2005.

Goudeau was linked to the attack by DNA evidence collected shortly following the time of the crime.

While being interviewed by police in Kentucky on a burglary case, James Dewayne Mullins claimed responsibility for the murder of Georgia Thompson on September 8, 2005.

Goudeau would later be dubbed the Baseline Killer in the spring of 2006 after investigators linked him to a series of murders and armed robberies.

The crimes later spread north, primarily in the North Central area of Phoenix, Arizona.

Goudeau is believed to have committed nine counts of first degree murder (the victims were eight women and one man), in addition to 15 sexual assaults on women and young girls, 11 counts of kidnapping, and a number of armed robberies.

Although not initially linked, the crimes were distinguished by having no apparent motive, and the murders were particularly brutal, with the killer often shooting the victims in the head.

The criminal was often described wearing various disguises such as a Halloween mask as well as attempting to impersonate a homeless man or drug addict.

Police say that the shell casings found at each of the crime scenes all came from the same gun.

Phoenix police spent thousands of hours patrolling and following up on hundreds of tips during the summer of 2006.

As residents of Phoenix became increasingly alarmed by the random nature of the violent crimes, community meetings were called by the police to distribute a sketch based on the description given by the surviving victims.

Frustration and fear blanketed the city as posters and billboards displayed the sketch of the Baseline Killer, offering a $100,000 reward for information leading to an arrest.

It took the police over a year to finally come up with a viable suspect.

Mark Goudeau was at the time on community supervision (parole) with the Arizona Department of Corrections and supervised out of the Northeast Parole Office.

In August 2006, parole officers in the Northeast Parole Office provided information to the Phoenix Police Department task force suggesting that Goudeau matched the sketch of the Baseline Killer.

Parole officers searched Goudeau's residence and found a ski mask and a realistic "toy" handgun.

Police used this information to obtain a search warrant for Goudeau's residence and found additional items that linked him to crimes committed by the Baseline Killer.

On September 4, 2006, Mark Goudeau was arrested in connection to the sexual assault of two Phoenix sisters, an attack which was tied to the Baseline Killer investigation.

On September 7, 2007, Goudeau was tried and convicted of all 19 charges relating to the attack on the two sisters.

He was sentenced on December 14, 2007, to 438 years in prison for the sexual assault charges.

On November 30, 2011, a Phoenix jury sentenced him to death on the murder charges relating to the Baseline Killings.

Goudeau is held on death row in ASPC Florence, awaiting execution.

Phoenix police released hundreds of pages of documents that detailed their investigation into the Baseline Killer.

The paperwork obtained by ABC15 News revealed that police had at least 10 names of possible suspects that they had looked into, and that they had already ruled out some of those people.

The 20,000 pages of police reports were primarily of other suspects with very little mention of Mark Goudeau.

The documents revealed information on nine cases ranging from a double homicide to sexual assaults, robberies and kidnappings.

The new information included police reports and narratives that described where and who police were looking at in the investigation.

They also discussed investigative leads; however, much of the information was redacted.