Dorothea Puente (born January 9, 1929) is a convicted serial killer.

She was born in San Bernardino County, California to two alcoholics. Her father was a cotton-picker and both parents abused her and she often had to scavenge for food. Puente's father died when she was four and when her mother died when she was six, she was sent to an orphanage until relatives from Fresno, California took her-in. In later life she lied about her childhood saying that she was one of eighteen children who all were born and raised in Mexico.

In 1946 she married for the first time but her husband died of a heart attack within two years. For money she tried to forge checks but was eventually caught and sentenced to a year in jail but was paroled after six months. Soon after release, she was impregnated by a man she barely knew and gave birth to a baby girl, which she had to give-up for adoption. In 1952 she married a Swede named Axel Johanson and had a violent 14-year marriage.

In 1960 she was arrested in a brothel and was sentenced to 90 days in Sacramento County Jail. After her release she was arrested again, this time for vagrancy, and sentenced to another 90 days in jail. Following that, she started to get involved in miscellaneous illegal acts that over time became more serious. This activity slowed down a great deal when she found work as a nurse's aid caring for disabled and elderly people in private homes. In a short time she started to manage boarding houses.

She divorced Johansen in 1966 and married Roberto Puente in Mexico City, a man who was nineteen years younger. Roberto had trouble staying faithful to Dorothea and the marriage only lasted two years. Shortly before the end of the marriage, however Dorothea Puente took over a three-story, sixteen-bedroom care home at 2100 F street in Sacramento, California. There she provided the care and comfort to the homeless and destitute of the area.

The first sign of something wrong was when neighbors noticed the odd activities of a homeless alcholic man known only as "Chief" whom Puente stated she had "adopted" and made her handyman. Puente had Chief dig in the basement and cart soil and rubbish away in a wheelbarrow. The basement floor was then covered with a concrete slab. Chief later took down a garage in the backyard and install a fresh concrete slab there as well. Soon afterward Chief mysteriously disappeared.

Puente married for the third time in 1976 to a Pedro Montalvo who was a physically abusive alcoholic. The marriage only lasted a few months and Puente started to spend time in local bars looking for older men who were receiving benefits. She forged their signatures to steal their money but she eventually was caught and charged with thirty-four counts of treasury fraud. While on probation she continued to commit the same fraud.

In April 1982 sixty-one year old Ruth Monroe arrived in Puente's boardinghouse but soon died from an overdose of Codeine and Tylenol. Puente told police that the women was very depressed because her husband was terminally ill. They believed her and judged the incident a suicide.

Only a few weeks later the police were back after a seventy-four-year-old pensioner named Malcolm McKenzie filed accused Puente of drugging him and then robbing him. She was convicted of three charges of theft on August 18, 1982 and sentenced to serve five years in jail. While in jail she started to correspond with a seventy-seven-year-old retiree living in Oregon named Everson Gillmouth. A pen-pal friendship developed and when Puente was released in 1985 after serving just three years of her sentence, he was waiting for her in a red 1980 Ford pickup. Their relationship developed quickly and the couple were soon making wedding plans. They opened a joint bank account and paid $600 a month rent for a boardinghouse on 1426 F Street in Sacramento.

In November 1985, Puente hired Ismael Florez to install some wood paneling in her boardinghouse. For his labor and an additional $800, Puente gave him a red 1980 Ford pickup in good condition, which she stated belonged to her boyfriend in Los Angeles who didn't need it. Dorothea Puente then asked Florez to do one more thing; build a box 6 feet by 3 feet by 2 feet to store 'books and other items'. She then asked Florez transport the filled, and nailed shut, box to a storage depot. Florez agreed and Puente joined him. On the way, however, she told him to stop while they were on Garden Highway in Sutter County and dump the box in the river bank. Puzzled, Florez questioned why but Puente told him that the contents of the box were just junk.

On January 1, 1986, two fishermen found a foul smelling, half-submerged box in the river and informed police. Investigators found a badly decomposed and unidentifiable body of an elderly man inside. Puente meanwhile, continued to collect Everson Gillmouth's pension and write letters to his family explaining that the reason he had not contacted them was because he was ill. She also continued her boardinghouse business, taking in forty new tenants (most of whom were alcoholics and drug addicts). Although she was making a good profit doing this, she wanted more and therefore started to cruise bars looking for new customers.

Every month Puente collected all the tenant's mail before they saw it and gave them only a small amount of their money. Invariably the tenants squandered what little money they had at the nearest bar and were picked-up by police and jailed for 30 days following anonymous tips. Puente then pocketed the rest of the tenant's money.

On November 11, 1988 police found a body buried in the lawn of 60-year-old Dorothea Puente. Seven bodies were eventually found and Puente was convicted of three murders and sentenced to life in prison.

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