Richard Bourke is one of the Australian LAWYERS
who works to save prisoners from death penalty.
''We are all going to die, we don't have a choice about that, but we do choose whether to kill"
he stated .....
In 2002, Bourke gave up ON his career THEN MOVE from Melbourne to Lousiana TO work full-time on some death-penalty cases. [it is important to mention what is his occupation before
He didn't work alone, he was assisted by the Australian ...this sentence is right if Richard does not work as lawyer anymore at present, but if he does, you need to use present perfect tense=He has not worked alone, he has assisted by the Australian volunteers who work hard to help save poor prisoners with death penalty.
There were some caseS [singular/plural issue
ARE handled by them,......
There were some case which is handled by them, some of them were unsuccessful and they ...too complex but less accurate, better to separate into two sentences
some of them were unsuccessful
and theyWHILE THE CRIMINALS
were sentenced to death, (...) some happiness momentS
Therefore he told the lawyers who has been
in this case, there
WAS a mother of the youngest victim, ....
It HAS touched his heart so deeply and HE didn't realized tears ...