Updated

Tennessee officials on Wednesday evening charged Brandon Isabelle, the father of missing newborn Kennedy Hoyle, with two counts of first-degree murder.

Authorities issued an Amber Alert for missing baby Kennedy Hoyle on Wednesday morning after her mother, Danielle Hoyle, was fatally shot Tuesday evening.

Missing Kennedy Hoyle of Memphis (Tennessee Bureau of Investigation)

Missing Kennedy Hoyle of Memphis. (Tennessee Bureau of Investigation)

"Kennedy has not been located; however, evidence suggests that she is deceased. The search will continue for hear remains," the Memphis Police Department said in a Wednesday evening tweet.

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Isabell, 26, also faces charges of murder in the perpetration of aggravated kidnapping and fabricating evidence in Danielle's death and Kennedy's disappearance.

Brandon Isabelle (Shelby County Sheriff)

Brandon Isabelle (Shelby County Sheriff)

Memphis Police Department officers located Danielle Hoyle's abandoned vehicle at 11:15 p.m. Tuesday in the area of Sedgewick Drive and Levi Road. They discovered the 27-year-old woman's body nearby after conducting a search.

"The preliminary information revealed that the victim had been shot. Additionally, officers were advised that the victim's 2-day-old child, Kennedy Hoyle, was last seen with the victim; however, no child was located," Memphis police said in a Tuesday statement.

Missing Kennedy Hoyle of Memphis (Tennessee Bureau of Investigation)

Missing Kennedy Hoyle of Memphis. (Tennessee Bureau of Investigation)

The 2-day-old, 6-pound baby was last seen wearing a black and white polka dot onesie with pink pants," the Tennessee Bureau of Investigation said in a Wednesday tweet.

On Wednesday afternoon, police announced a search in the 800 block of Island Drive in Memphis on the edge of Harbor Town.

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Island Drive faces the eastern side of the Mississippi River.

Authorities are asking anyone with information about the newborn's whereabouts to contact Memphis police at 901-545-2677 or TBI at 1-800-TBI-FIND.