My question involves criminal law for the state of: Texas
A neighbor on felony probation (injury/endangerment to a child) has boasted that she is "untouchable". She had not passed any drug test in the past 18 months. She is seen drinking at her residence (alcohol is prohibited in her probation). She was arrested for public intoxication at a local motel. Her residence has no power, because she never paid a bill. Her landlord ordered her to leave.
Those are the minor offenses. She called me to boast about getting away with hitting her son's father in the head with a baseball bat. Fortunately for me, my telephone service provider makes an announcement and records calls. I assume that she ignored the announcement about the call recording, but it is at the beginning of the recording. She stated that she was tired of his sh.., that he did not hit her, he had no weapon, and that she was the aggressor. She gave details concerning the blood, his torn ear, and that she was in "kill mode" . She even admitted that her 2 year old son saw mama hit daddy with a bat, and that he was scared. Her victim had an outstanding warrant, so he stumbled away before the police (that a different neighbor called) arrived. I saw the public version of the police report, and it did NOT show aggravated assault, or assault of any kind. I forwarded a copy of her recorded confession to the police, and the detective was very animate about not wanting the recording. His remark was "You don't work for the government...You have no legal obligation to turn this over to us...". He received the 15 minute long recording & transcript about a month ago. Still no arrest for probation violation. Another copy of the recording & transcript was recently turned over to the D.A.'s office. Upon glancing at the transcript, they remarked that even though I did not witness the event, I witnessed the recorded confession, and was obliged to forward the recording to the authorities. Also, that they appreciated that I am one that would go out of my way to give the government the information. They stated that they had not received anything from LPD about the assault & that some papers had been "misplaced" at LPD.

Should I wait for the D.A. to communicate with the Probation Office & Children's Protective Services (children should not see one parent hit another, especially in the head with a baseball bat while in the middle of the street) , or should I send additional copies to these offices in the event that the other copies get "misplaced"?