The president is considering how to tackle the problem.
"If someone kills one of our children, we will kill them," Pennsylvania State Senator Scott Wagner said Monday.
He was pronounced dead at 6.05 p.m.
His daughter told Newsweek she will be relieved when her father is put to death.
This comes as public support for capital punishment hits historic lows.
Capital punishment cases are down but five of the 23 executions this year still highlight the arguments of those who oppose the death penalty.
Manson, Susan Atkins, Patricia Krenwinkel and Leslie Van Houten all escaped the death penalty.
An opioid at the heart of America's drug epidemic will be used for death row executions in Nevada and Nebraska if the never-before-tried combination of drugs is approved.
Convicted terrorists can go to jail but those that recruited them deserve harsher sentences and "could be shot," Chechnya's leader said.
Pope Francis condemned the death penalty but could face an uphill battle in the GOP-controlled U.S. government where 72 percent of Republicans support the death penalty.
Filipino jihadis wanted to cause the "next 9/11."
Until the last minute, most passengers believed the hijacking was for real.
Jihadis are still battling three months after launching an armed offensive on the southern city.
Ronald Phillips, who was sentenced for the rape and murder of a child in 1993, will be the first person put to death in the state since a controversial execution in 2014.
Mujtaba'a al-Sweikat was arrested at an airport in 2012 and may be facing imminent execution for participating in pro-democracy protests.
ISIS claimed responsibility for the shooting via its Amaq news agency.
Earlier, President Donald Trump said Washington was closely monitoring what he described as a "terrorist" attack unfolding in Manila.
Manila has deployed helicopters and commandoes to retake Murawi from jihadists.
European politicians have stated strong opposition to Turkey trying to reintroduce the death penalty.