ZID RADAR CTLR LOST SEPARATION WITH 2 ACFT BEGINNING ARR DSCNT SEQUENCING.

Narrative

AFTER MAKING A HDOF ON A CVG ARR AT FL350 WHO NEEDED TO BE AT OR BELOW FL310 WITHIN 20 MI; A HEADING WAS PASSED TO THE PREVIOUS SECTOR TO ASSIGN A 360 DEG HDG; DUE TO CONFLICTING TFC. VERBAL COORD WAS USED TO ASK THE RADAR ASSOCIATE TO COMPLETE THE HEADING ASSIGNMENT AND GET CTL OF ACFT #1 TO CLB TO HIS REQUESTED ALT OF FL350. ACFT #1 WAS DIRECT TO FLM ON A NORTHWESTERLY HEADING; AND I BELIEVED THE CVG ARR WAS ON A 360 DEG HDG. AFTER ACFT #1 AND THE CVG ACFT DIVERGED AND GAINED THE APPROPRIATE RADAR SEPARATION OF 5 MI; I DISCONTINUED VERT SEPARATION AND CLBED ACFT #1 AND DSNDED THE CVG ARR. I THEN NOTICED THE CVG ACFT TURN TO THE NW; PUTTING HIM IN IMMEDIATE CONFLICT WITH ACFT #1. I CLBED AND DSNDED EACH ACFT RESPECTIVELY BACK TO THE ORIGINAL ALT. DUE TO THE FACT ACFT #2 WAS NEBOUND IN DIRECT CONFLICT WITH ACFT #1; AND BEING TOLD BY ACFT #1 THAT HE COULD ONLY CLB AT 500 FPM; I VECTORED ACFT #1 W; TO AVOID ACFT #2. ACFT #2 WAS STILL CLBING TO FL330 OUT OF ABOUT FL320; SO I NEEDED TO GAIN CTL OF ACFT #2 WITH A SECTOR HE WAS STILL IN. AFTER VECTORING EACH ACFT TO AVOID EACH OTHER; EACH ACFT RPTED EACH OTHER IN SIGHT. IN THE FUTURE; I WOULD LIKE TO SEE CVG ACFT AVOID THE SUPER-HIGH SECTOR IN THE FUTURE. ALSO I WOULD LIKE TO SEE A NEW REG SAYING IF ACFT ARE WITHIN 100 MI OF ARR THEY SHOULD NEVER BE HANDED OFF 'STACKED' ON TOP OF SIMILAR ACFT ARRIVING AT THE SAME ARPT. I WOULD ALSO LIKE TO SEE AMBIENT NOISE RECORDED ALONG WITH ALL OTHER COORD AND RADIO XMISSIONS. I BELIEVE IF MY VOICE WAS RECORDED RADAR CTLR TO D-SIDE CTLR; SAYING PUT THE ACFT ON A HEADING IT WOULD AT LEAST SHOW THE RADAR CTLR DID ASK THE D-SIDE TO PERFORM A DUTY; THUS MAKING THE INVESTIGATION EASIER.