DENVER (AP) -- Colorado Republican lawmakers upset about a decision not to file a murder charge in an attack on a pregnant woman plan to introduce a fetal homicide bill.
Senate President Bill Cadman announced Friday that legislation to extend legal protections to unborn children is being drafted.
The announcement came after prosecutors said they will not file murder charges against 34-year-old Dynel Lane after she allegedly cut open a pregnant woman's belly and took her baby.
The coroner found no evidence that the baby showed signs of life outside the womb.
Under Colorado law, a person can be charged with murdering a baby only if there's evidence the baby survived apart from its mother.
THIS IS A BREAKING NEWS UPDATE. Check back soon for further information. AP's earlier story is below.
A Colorado woman accused of cutting the baby from an expectant mother's belly will not face murder charges in the gruesome attack that revived the highly charged debate over when a fetus can legally be considered a human being.
Prosecutors did not explain the decision Thursday or reveal what charges will be filed in the attack that killed the unborn baby girl. The mother, who was about eight months pregnant, survived and left the hospital Wednesday.
Dynel Lane, 34, lured Michelle Wilkins, 26, to her home March 18 with an ad on Craigslist selling baby clothes, investigators say. Inside, Lane stabbed Wilkins and removed the child, police say.
Lane had told her family she was pregnant, and when her husband came home early from work to meet her for a prenatal appointment, he found the infant in a bathtub, authorities said. Lane said she had a miscarriage, and he took them to the hospital, where the baby was pronounced dead.
Catherine Olguin, a spokeswoman for the Boulder County District Attorney's Office, said Thursday night that prosecutors won't bring a murder charge in the baby's death.
District Attorney Stan Garnett plans to give out more information Friday, and the coroner's office is expected to release the findings of the baby's autopsy.
The news came the same week California authorities arrested a woman they say masterminded a plot to kill mothers and steal their babies to pass off as her own after telling her married boyfriend she gave birth to his twins.
The Colorado case renewed the nationwide debate over bringing murder charges in the violent deaths of unborn children.
Even though the baby girl died, legal experts say the case is complicated by the fact that Colorado is one of 12 states that do not have a fetal homicide law. State lawmakers in 2013 voted down such a measure over fears it would interfere with abortion rights, and voters overwhelmingly agreed when they rejected a similar ballot measure in 2014.
Colorado legislators did pass a measure that makes it a felony to violently cause the death of a mother's fetus. The maximum punishment under that provision is 32 years in prison, whereas a person convicted of homicide in Colorado could face the death penalty or life in prison without the possibility of parole.
Legal experts say a person can still be charged with homicide for an unborn child's death under existing Colorado law if the baby was alive outside the mother's body and the act that led to the death also occurred there.
Advocates say the attack shows the need for a fetal homicide law.
State Rep. Gordon Klingenschmitt of Colorado Springs called the attack "a curse from God" and faulted Colorado law for failing to protect unborn children - remarks denounced by fellow Republicans.
"I want to make it very clear that these comments that were made do not reflect our caucus," state Rep. Polly Lawrence said Friday, though she didn't mention Klingenschmitt.