Trends revealed by Irish Times followed recent high-profile killings renewing concerns about knife crime

Man (20s) arrested as part of investigation into public order incident

Notes about his sexual exploits were discovered on devices of Murphy (38), the Irishman convicted of murdering US nurse Mackenzie Michalski

Alleged cartel leader lived openly in Dubai for decade but is now wanted in Ireland to stand trial at Special Criminal Court

Ryan Byrne told court he is not a member of any ‘criminal organisation’ and has ‘no intentions of running’

Total of 11 firearms, including pistols and machine guns, some loaded, found during three-day Garda operation

Ahmed Al Saqar, believed to be from Jordan and prime suspect in woman’s murder, fled Ireland immediately after Kerry killing

Gardaí seeking to question Ahmed Al-Saqar (28) who was captured on CCTV leaving Co Kerry in early hours of Tuesday

Gardaí say main suspect in Killarney murder inquiry has fled Ireland as they liaise with foreign police forces

Raids carried out across several counties expose retailers selling cannabis vapes and jellies

Mark Cullen (39), who was associated with south Dublin drugs gang, shot in leg and bled to death on Sunday

Gardaí continue search for suspect following death of Jamey Carney, originally from New York State

Gardaí appeal for assistance from public after victim attacked off Talbot Street late on Monday night

First time such a sophisticated cocaine-processing facility has been found in the Republic

Mark Cullen, shot in leg at Kill Avenue, Dún Laoghaire, bled to death at scene