The party sources are reported to be speculating that Mr Crosby may have deliberately engineered today's row to limit the positive coverage of Labour's popular announcement on non-doms.
"The truth is that government officials have deliberately engineered the system to assure that the jury trial system established by the Constitution is seldom used," said Timothy Lynch, director of the criminal justice project at the libertarian Cato Institute.
Downing Street dismissed suggestions that it had deliberately engineered British involvement in the airstrikes rather than leaving them to the US, which is involved in regular strikes over Syria.
Downing Street dismissed suggestions that the prime minister had deliberately engineered UK involvement in the drone strikes rather than leaving them to the US, which is involved in regular operations over Syria, as a way of making the case for greater British involvement in action against Isis in the country.
More than a third of 50 prisoners interviewed for a 2015 Prison Reform Trust PRTT) study, Deep Custody, said they had deliberately engineered a move into segregation in order to escape violence or lack of discipline on general prison wings or to raise concerns about their treatment and conditions.
Ten days ago, I noted the reckless assertion of Barack Obama's former pastor that the United States government had deliberately engineered AIDS to kill blacks, but I tried to put it in context by citing a poll showing that 30percentt of African-Americans believe such a plot is at least plausible.
To even hint that Williamson may have deliberately engineered his own red card is an incendiary claim to make about any professional footballer and is sure to reverberate around Newcastle's dressing room.
Much of the slowdown has been deliberately engineered by the authorities in Beijing, who have over the last year gradually tightened the spigot on the ample lending that has fueled growth, but also contributed to sharp rises in property prices and overall consumer prices.
Much of the cooling has been deliberately engineered by the Chinese authorities and is by no means unwelcome.
So now at the end of the year we find ourselves facing the "fiscal cliff," a politics-driven crisis of excessive short-term austerity whose existence has been deliberately engineered by deficit hawks because the bond vigilantes never seem to show up in time.
