Moving Larson and Gibbs resulted in transfers of several other wardens around the system.
In addition to the personnel changes, Skinner agreed to bring in outside investigators to examine the case, a demand the union made in a letter to policymakers last week.
Corrections officials also said they would:
Reassess the risk levels assigned to all prisoners across the state and their resulting work assignments.
Create a prison safety director position reporting directly to Skinner.
Increase the number of fixed and body camera in use at Anamosa.
Conduct a comprehensive review of security measures.
Freeze and, by April 9, review work programs that involve the use of tools, such as the hammers prisoners Thomas Woodard and Michael Dutcher allegedly used to kill Schulte and McFarland in an escape attempt.
Des Moines correctional officers hold candlelight vigil in honor of Anamosa attack victims Andrea May Sahouri, Des Moines Register
Watch: What happened at the Anamosa State Prison? UP NEXT
Dozens of correctional officers, probation and parole officers, and community members gathered in Des Moines on Wednesday evening for a candlelight vigil to honor the lives of two Anamosa State Penitentiary employees killed in an attack on March 23.
Registered nurse Lorena Schulte, 50, and correctional officer Robert McFarland, 46, attempted to intervene in a prison escape by two inmates when they were attacked with hammers and killed.
The two inmates who allegedly committed the killings, identified as Michael Dutcher, 28, and Thomas Woodard, 39, were both serving extended sentences for robbery.
Mourners gather in honor slain Anamosa prison employees kcci.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kcci.com Daily Mail and Mail on Sunday newspapers.