Line Of Duty series 6: DCI Patricia Carmichael drops major hint she’s ‘H’ with glaring pen tap?

Is Line Of Duty’s DCI Patricia Carmichael ‘H’? (Picture: BBC)*Warning, story contains spoilers for Line Of Duty series 6 episode 6.Line Of Duty fans were left shaken after DCI Patricia Carmichael (played by Anna Maxwell Martin) tapped her pen on the table four times during tonight’s episode, leaving them convinced this means she’s ‘H’.Die-hard fans will know that four dots signify the letter ‘H’ in morse code and that Dot Cottan (Craig Parkin