“Mental health problems often begin at a young age — however, less than half of the children identified with mental health issues receive treatment,” Harkin said ahead of the vote. “This lack of treatment has consequences. ... The shame in this is that with access to the right treatment and supports, people can lead healthy and productive lives.”

Alexander said the amendment passed out of the Senate Health, Education, Labor and Pensions Committee unanimously.

GOP Sens. Mike LeeMichael (Mike) Shumway LeeOvernight Energy: EPA declines to write new rule for toxic spills | Senate blocks move to stop Obama water rule | EPA bought 'tactical' pants and polos Senate blocks bid to stop Obama water rule GOP senators introduce bill to prevent family separations at border MORE (Utah) and Rand PaulRandal (Rand) Howard PaulGOP senators call for probe of federal grants on climate change Overnight Health Care — Presented by the Association of American Medical Colleges — Key ObamaCare groups in limbo | Opioids sending thousands of kids into foster care | House passes bill allowing Medicaid to pay for opioid treatments US watchdog: 'We failed' to stem Afghan opium production MORE (Ky.) opposed the amendment.

The Senate voted on nine amendments to the gun control bill, only two of which reached a 60-vote threshold. An amendment from Sen. John BarrassoJohn Anthony BarrassoGOP senators introduce bill to prevent family separations at border Overnight Energy: Senate panel sets Pruitt hearing | Colorado joins California with tougher emissions rules | Court sides with Trump on coal leasing program Pruitt to testify before Senate panel in August MORE (R-Wyo.) that enhanced privacy protections for gun owners passed moments before Harkin and Alexander's amendment.

On Wednesday, the Senate turned away proposals expanding background checks, an assault weapons ban, banning high-capacity clips and preserving gun rights for veterans, among others.

The rejection of the bipartisan background check amendment from Sens. Joe ManchinJoseph (Joe) ManchinThe Hill's Morning Report — Sponsored by PhRMA — Trump caves under immense pressure — what now? Election Countdown: Family separation policy may haunt GOP in November | Why Republican candidates are bracing for surprises | House Dems rake in record May haul | 'Dumpster fire' ad goes viral Manchin up 9 points over GOP challenger in W.Va. Senate race MORE (D-W.Va.) and Pat Toomey (R-Pa.) essentially killed the chances of passing the Safe Communities, Safe Schools Act, S.649, which would expand background checks on gun purchases, crack down on gun trafficking and beef up security in schools. Some GOP senators have said the bill goes too far and infringes on the rights of gun owners.

Senate Majority Leader Harry ReidHarry Mason ReidAmendments fuel resentments within Senate GOP Donald Trump is delivering on his promises and voters are noticing Danny Tarkanian wins Nevada GOP congressional primary MORE (D-Nev.) now has to decide if Democrats want to table the legislation or continue to work out party differences on the floor.