Add spaces: Thepreliminarywitnesshearingsmaygivemoreclarityaboutaleakedpoliceinvestigationinthe1990s.

Answer: The preliminary witness hearings may give more clarity about a leaked police investigation in the 1990s.

Add spaces: Thisregime-withouteverbeingseriouslyandsignificantlycensuredbyitsinfluentialalliesorevenbytheso-calledindependentinternationalorganizations-everydaydemolishesthehomesofPalestiniansanddestroystheirorchardsandfarms.

Answer: This regime- without ever being seriously and significantly censured by its influential allies or even by the so-called independent international organizations- everyday demolishes the homes of Palestinians and destroys their orchards and farms.

Add spaces: Fasteningtakesplacewithsteelcablesorbolts.

Answer:
Fastening takes place with steel cables or bolts.