New developments in the murder of Arkansas state senator

Linda Collins-Smith's colleague and close friend has been arrested in connection with her murder; Rebecca Lynn O'Donnell is expected to enter a plea in court on Monday.
1:34 | 06/16/19

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Transcript for New developments in the murder of Arkansas state senator
We're going to turn now to new developments in the murder of a state senator in Arkansas, this weekend a funeral for Linda collins-smith as new details come out as the suspect who has been arrested in her death. ABC's Marci Gonzalez. Reporter: This morning, new insight into the connection between a former Arkansas state senator killed at her home and her former campaign staffer arrested in connection. It comes as a shock. Reporter: Linda collins-smith was found shot to death on June 4th. Days later, Rebecca o'donnell updated her Facebook photo of them smiling together. On Friday, without explanation, police took o'donnell into custody. The investigation at a critical juncture and no further information will be released at this time. Reporter: ABC news station reporting that o'donnell recently appeared in corroborated witness in the divorce case. We're told the three were good friends. All fighters for the second amendment. They traveled together. Reporter: This weekend, family and friends and colleagues gathered for collins-smith's funeral remembering her as a lovely mother and tough legislator. She was undaunted. She would keep fighting. Reporter: Police still aren't saying about a possible motive or when charges may be filed. But the sheriff said that the o'donnell is expected in court tomorrow. Eva. Now to frightening moments

This transcript has been automatically generated and may not be 100% accurate.

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