Reform Scotland said only an outright ban on short sentences could bring about change in the justice system.
11% Fall In Bed-Blocking Recorded In December
The number of patients kept in hospital after being told they were clinically well enough to leave has dropped by more than 10% in a month.
A census carried out in hospitals in December found 1,333 people were affected, down from 1,509 the previous month, a fall of 11%.
The most common length of delay was between three days and two weeks while 23 people had been waiting for a year or more.
The problem of bed-blocking - also known as delayed discharge - happens when patients are clinically ready to leave hospital but are waiting for the necessary care and accommodation arrangements to be put in place.
A total of 45,067 days were taken up by bed-blocking in December, the ISD Scotland figures show, down from 45,639 in November - a 1% drop.
In the December survey, most people affected (69%) were aged 75 and over.
The majority of delays were due to health and social care reasons, such as waiting for care home places or for social care support.
The SNP leader admitted the word "national" could be "hugely problematic".
A police watchdog probe was launched after the remains of the 52-year-old were found in a house in Dumfries in February last year.
The accident happened at about 7.50pm on Thursday in Moodiesburn, North Lanarkshire.
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